Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.018
EPSS Ranking 81.9%
CVSS Severity
CVSS v3 Score 4.9
CVSS v2 Score 8.5
References
Products affected by CVE-2022-20789
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cpe:2.3:a:cisco:unified_communications_manager:12.5(1)
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cpe:2.3:a:cisco:unified_communications_manager:14.0