Vulnerability Monitor

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CVE-2022-20789

A vulnerability in the software upgrade process of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to write arbitrary files on the affected system. This vulnerability is due to improper restrictions applied to a system script. An attacker could exploit this vulnerability by using crafted variables during the execution of a system upgrade. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges.

Published

2022-04-21T19:15:08.630

Last Modified

2024-11-21T06:43:33.593

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.0

Impact Score

9.2

Weaknesses
  • Type: Secondary
    CWE-73
  • Type: Primary
    CWE-610
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco unified_communications_manager 12.5\(1\) Yes
Application cisco unified_communications_manager 12.5\(1\) Yes
Application cisco unified_communications_manager 14.0 Yes
Application cisco unified_communications_manager 14.0 Yes
References