CVE Vulnerability

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.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301 Not Applicable Third Party Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download= Mitigation Patch
Configurations

Configuration 1

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

Published : 2021-08-02 09:15

Updated : 2022-09-03 03:27

NVD link : CVE-2021-21865

Mitre link : CVE-2021-21865

Products Affected
No products.
CWE
CWE-502

Deserialization of Untrusted Data