SB2023083111 - Privilege escalation in Cisco Unified Communications Products
Published: August 31, 2023
Security Bulletin ID
SB2023083111
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-20266)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to the affected application does not properly restrict the files that are being used for upgrades. A remote administrator can use a specially crafted upgrade file and elevate privileges to root.
Remediation
Install update from vendor's website.