Vulnerability Monitor

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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.

Published

2021-08-02T21:15:07.973

Last Modified

2024-11-21T05:49:08.247

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-502
  • Type: Primary
    CWE-502
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application codesys development_system 3.5.16.0 Yes
Application codesys development_system 3.5.17.0 Yes
References