// For flags

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

-
*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
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-06 CVE Reserved
  • 2023-02-01 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-24 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
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