CVEvulnerability

CVE-2022-20789

6.5 MEDIUM Published 2022-04-21 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-04-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.9 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
8.5 HIGH — AV:N/AC:L/Au:S/C:N/I:C/A:C
Weaknesses
CWE-610, CWE-73

Description

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.

Affected configurations

• cisco unified communications manager 12.5\(1\) • cisco unified communications manager 14.0

Related

Weakness · CWE (2)

  • CWE-610 Externally Controlled Reference to a Resource in Another Sphere weakness
  • CWE-73 External Control of File Name or Path weakness

References