CVE-2021-21864
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A unsafe deserialization vulnerability exists in the ComponentModel ComponentManager.StartupCultureSettings functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.
Se presenta una vulnerabilidad de deserialización no segura en la funcionalidad ComponentModel ComponentManager.StartupCultureSettings de CODESYS GmbH CODESYS Development System versiones 3.5.16 y 3.5.17. Un archivo especialmente diseñado puede conllevar a una ejecución arbitraria de comandos. Un atacante puede proporcionar un archivo malicioso para desencadenar esta vulnerabilidad
*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
- 2021-01-04 CVE Reserved
- 2021-08-02 CVE Published
- 2024-04-17 EPSS Updated
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-502: Deserialization of Untrusted Data
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301 | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download= | 2022-09-30 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Codesys Search vendor "Codesys" | Development System Search vendor "Codesys" for product "Development System" | 3.5.16.0 Search vendor "Codesys" for product "Development System" and version "3.5.16.0" | - |
Affected
| ||||||
| Codesys Search vendor "Codesys" | Development System Search vendor "Codesys" for product "Development System" | 3.5.17.0 Search vendor "Codesys" for product "Development System" and version "3.5.17.0" | - |
Affected
| ||||||