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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-20789 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-arb-write-74QzruUU Vendor Advisory 
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-arb-write-74QzruUU Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-610 Externally Controlled Reference to a Resource in Another Sphere cwe source acceptance level NIST  
CWE-73 External Control of File Name or Path Cisco Systems, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-20789
NVD Published Date:
04/21/2022
NVD Last Modified:
11/21/2024
Source:
Cisco Systems, Inc.