CVE-2021-21865
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A unsafe deserialization vulnerability exists in the PackageManagement.plugin ExtensionMethods.Clone() functionality of CODESYS GmbH CODESYS Development System 3.5.16. 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 PackageManagement.plugin ExtensionMethods.Clone() de CODESYS GmbH CODESYS Development System versión 3.5.16. 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
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
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-502: Deserialization of Untrusted Data
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301 | Not Applicable |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download= | 2022-09-03 |
| 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
| ||||||