SB2021100709 - Absolute Path Traversal in Cisco IP Phone Software
Published: October 7, 2021
Security Bulletin ID
SB2021100709
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Absolute Path Traversal (CVE-ID: CVE-2021-34711)
The vulnerability allows a local user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A local user can provide a specially crafted input to a debug shell command and read arbitrary files on the system.
Remediation
Install update from vendor's website.