SB2022030223 - Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server
Published: March 2, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Path traversal (CVE-ID: CVE-2022-20754)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to overwrite arbitrary files on the system.
The vulnerability exists due to input validation error when processing directory traversal sequences in the cluster database API. A remote authenticated user can send a specially crafted HTTP request and overwrite arbitrary files with root privileges.
2) OS Command Injection (CVE-ID: CVE-2022-20755)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to insufficient input validation of user-supplied command arguments. A remote authenticated user can execute arbitrary commands with root privileges.
Remediation
Install update from vendor's website.