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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.
Publish Date : 2022-04-21 Last Update Date : 2022-05-03
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- CVSS Scores & Vulnerability Types

CVSS Score
8.5
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication ???
Gained Access None
Vulnerability Type(s)
CWE ID 610

- Products Affected By CVE-2022-20789

# Product Type Vendor Product Version Update Edition Language
1 Application Cisco Unified Communications Manager 12.5\(1\) * * * Version Details Vulnerabilities
2 Application Cisco Unified Communications Manager 12.5\(1\) * * * Version Details Vulnerabilities
3 Application Cisco Unified Communications Manager 14.0 * * * Version Details Vulnerabilities
4 Application Cisco Unified Communications Manager 14.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco Unified Communications Manager 4

- References For CVE-2022-20789

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-arb-write-74QzruUU
CISCO 20220420 Cisco Unified Communications Products Arbitrary File Write Vulnerability

- Metasploit Modules Related To CVE-2022-20789

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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