CVE-2021-21865

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:codesys:development_system:3.5.16.0:*:*:*:*:*:*:*
cpe:2.3:a:codesys:development_system:3.5.17.0:*:*:*:*:*:*:*

History

03 Sep 2022, 03:27

Type Values Removed Values Added
CPE cpe:2.3:a:codesys:development_system:3.5.17.0:*:*:*:*:*:*:*
References (CONFIRM) https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download= - Vendor Advisory (CONFIRM) https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download= - Mitigation, Patch, Vendor Advisory
References (MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301 - Not Applicable (MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301 - Not Applicable, Third Party Advisory

11 Aug 2021, 14:22

Type Values Removed Values Added
CWE CWE-502
CVSS v2 : unknown
v3 : unknown
v2 : 6.8
v3 : 7.8
CPE cpe:2.3:a:codesys:development_system:3.5.16.0:*:*:*:*:*:*:*
References (CONFIRM) https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download= - (CONFIRM) https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download= - Vendor Advisory
References (MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301 - (MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301 - Not Applicable

04 Aug 2021, 14:15

Type Values Removed Values Added
References
  • (CONFIRM) https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download= -

02 Aug 2021, 21:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-08-02 21:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-21865

Mitre link : CVE-2021-21865

CVE.ORG link : CVE-2021-21865


JSON object : View

Products Affected

codesys

  • development_system
CWE
CWE-502

Deserialization of Untrusted Data