CVE-2021-22786
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-06 CVE Reserved
- 2023-02-01 CVE Published
- 2025-02-05 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
References (1)
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp341000 Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp341000 Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp341000 Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp341000 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp341000" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342000 Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342000 Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342000 Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342000 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342000" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342010 Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342010 Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342010 Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342010 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342010" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp3420102 Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102 Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102 Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp3420102 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342020 Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020 Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020 Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342020 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342020h Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020h Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020h Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342020h Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020h" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342030 Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342030 Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342030 Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342030 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342030" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp3420302 Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302 Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302 Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp3420302 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp3420302h Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302h Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302h Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp3420302h Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302h" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342030h Firmware Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342030h Firmware" | < 3.40 Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342030h Firmware" and version " < 3.40" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M340 Bmxp342030h Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342030h" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh582040 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh582040 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh582040c Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040c Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040c Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh582040c Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040c" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh582040s Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040s Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040s Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh582040s Search vendor "Schneider-electric" for product "Modicon M580 Bmeh582040s" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh584040 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh584040 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh584040c Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040c Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040c Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh584040c Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040c" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh584040s Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040s Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040s Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh584040s Search vendor "Schneider-electric" for product "Modicon M580 Bmeh584040s" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh586040 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh586040 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh586040c Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040c Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040c Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh586040c Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040c" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh586040s Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040s Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040s Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmeh586040s Search vendor "Schneider-electric" for product "Modicon M580 Bmeh586040s" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep581020 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep581020 Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep581020h Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020h Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020h Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep581020h Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020h" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582020 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582020 Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582020h Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020h Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020h Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582020h Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020h" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582040 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582040 Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582040h Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040h Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040h Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582040h Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040h" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582040s Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040s Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040s Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep582040s Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040s" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep583020 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep583020 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep583020 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep583020 Search vendor "Schneider-electric" for product "Modicon M580 Bmep583020" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep583040 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep583040 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep583040 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep583040 Search vendor "Schneider-electric" for product "Modicon M580 Bmep583040" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep584020 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep584020 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep584020 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep584020 Search vendor "Schneider-electric" for product "Modicon M580 Bmep584020" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep584040 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep584040 Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep584040s Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040s Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040s Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep584040s Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040s" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep585040 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep585040 Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep585040c Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040c Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040c Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep585040c Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040c" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep586040 Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040 Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040 Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep586040 Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep586040c Firmware Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040c Firmware" | <= 3.20 Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040c Firmware" and version " <= 3.20" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon M580 Bmep586040c Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040c" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon Momentum 171cbu78090 Firmware Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu78090 Firmware" | < 2.4 Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu78090 Firmware" and version " < 2.4" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon Momentum 171cbu78090 Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu78090" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon Momentum 171cbu98090 Firmware Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu98090 Firmware" | < 2.4 Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu98090 Firmware" and version " < 2.4" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon Momentum 171cbu98090 Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu98090" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon Momentum 171cbu98091 Firmware Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu98091 Firmware" | < 2.4 Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu98091 Firmware" and version " < 2.4" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon Momentum 171cbu98091 Search vendor "Schneider-electric" for product "Modicon Momentum 171cbu98091" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon Mc80 Bmkc8020301 Firmware Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8020301 Firmware" | < 1.70 Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8020301 Firmware" and version " < 1.70" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon Mc80 Bmkc8020301 Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8020301" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon Mc80 Bmkc8020310 Firmware Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8020310 Firmware" | < 1.70 Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8020310 Firmware" and version " < 1.70" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon Mc80 Bmkc8020310 Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8020310" | - | - |
Safe
|
| Schneider-electric Search vendor "Schneider-electric" | Modicon Mc80 Bmkc8030311 Firmware Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8030311 Firmware" | < 1.70 Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8030311 Firmware" and version " < 1.70" | - |
Affected
| in | Schneider-electric Search vendor "Schneider-electric" | Modicon Mc80 Bmkc8030311 Search vendor "Schneider-electric" for product "Modicon Mc80 Bmkc8030311" | - | - |
Safe
|