CVE-2021-20093
Severity Score
9.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.
Se presenta una vulnerabilidad de lectura excesiva del búfer en Wibu-Systems CodeMeter versiones anteriores a 7.21a. Un atacante remoto no autenticado puede explotar este problema para revelar el contenido de la memoria de la pila o bloquear el CodeMeter Runtime Server
*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:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2021-06-16 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2024-10-19 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://www.tenable.com/security/research/tra-2021-24 | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf | 2022-10-06 |
| URL | Date | SRC |
|---|---|---|
| https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf | 2022-10-06 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Siemens Search vendor "Siemens" | Sicam 230 Firmware Search vendor "Siemens" for product "Sicam 230 Firmware" | * | - |
Affected
| in | Siemens Search vendor "Siemens" | Sicam 230 Search vendor "Siemens" for product "Sicam 230" | - | - |
Safe
|
| Wibu Search vendor "Wibu" | Codemeter Search vendor "Wibu" for product "Codemeter" | <= 7.21a Search vendor "Wibu" for product "Codemeter" and version " <= 7.21a" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Pss Cape Search vendor "Siemens" for product "Pss Cape" | - | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simatic Information Server Search vendor "Siemens" for product "Simatic Information Server" | 2019 Search vendor "Siemens" for product "Simatic Information Server" and version "2019" | sp1 |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simatic Information Server Search vendor "Siemens" for product "Simatic Information Server" | 2020 Search vendor "Siemens" for product "Simatic Information Server" and version "2020" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simatic Pcs Neo Search vendor "Siemens" for product "Simatic Pcs Neo" | < 3.1 Search vendor "Siemens" for product "Simatic Pcs Neo" and version " < 3.1" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simatic Wincc Oa Search vendor "Siemens" for product "Simatic Wincc Oa" | 3.17 Search vendor "Siemens" for product "Simatic Wincc Oa" and version "3.17" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simatic Wincc Oa Search vendor "Siemens" for product "Simatic Wincc Oa" | 3.18 Search vendor "Siemens" for product "Simatic Wincc Oa" and version "3.18" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simit Simulation Platform Search vendor "Siemens" for product "Simit Simulation Platform" | >= 10.0 < 10.3 Search vendor "Siemens" for product "Simit Simulation Platform" and version " >= 10.0 < 10.3" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simit Simulation Platform Search vendor "Siemens" for product "Simit Simulation Platform" | 10.3 Search vendor "Siemens" for product "Simit Simulation Platform" and version "10.3" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Sinec Infrastructure Network Services Search vendor "Siemens" for product "Sinec Infrastructure Network Services" | < 1.0.1.1 Search vendor "Siemens" for product "Sinec Infrastructure Network Services" and version " < 1.0.1.1" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Sinec Infrastructure Network Services Search vendor "Siemens" for product "Sinec Infrastructure Network Services" | 1.0.1 Search vendor "Siemens" for product "Sinec Infrastructure Network Services" and version "1.0.1" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Sinema Remote Connect Server Search vendor "Siemens" for product "Sinema Remote Connect Server" | < 3.0 Search vendor "Siemens" for product "Sinema Remote Connect Server" and version " < 3.0" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Sinema Remote Connect Server Search vendor "Siemens" for product "Sinema Remote Connect Server" | 3.0 Search vendor "Siemens" for product "Sinema Remote Connect Server" and version "3.0" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Sinema Remote Connect Server Search vendor "Siemens" for product "Sinema Remote Connect Server" | 3.0 Search vendor "Siemens" for product "Sinema Remote Connect Server" and version "3.0" | sp1 |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simatic Process Historian Search vendor "Siemens" for product "Simatic Process Historian" | >= 2019 < 2020 Search vendor "Siemens" for product "Simatic Process Historian" and version " >= 2019 < 2020" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Simatic Process Historian Search vendor "Siemens" for product "Simatic Process Historian" | 2020 Search vendor "Siemens" for product "Simatic Process Historian" and version "2020" | - |
Affected
| ||||||