#VU62477 External Control of File Name or Path in Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition - CVE-2022-20789

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Main Vulnerability Database Vulnerabilities #VU62477

#VU62477 External Control of File Name or Path in Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition - CVE-2022-20789

Published: April 21, 2022


Vulnerability identifier: #VU62477
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-20789
CWE-ID: CWE-73
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Unified Communications Manager
Cisco Unified Communications Manager Session Management Edition
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a user attacker to write arbitrary files.

The vulnerability exists due to improper restrictions applied to a system script in the software upgrade process. A remote administrator can use specially crafted variables during the execution of a system upgrade and write arbitrary files on the system.


Remediation

Install updates from vendor's website.

External links