SB2020041606 - Remote code execution in Cisco IP Phones
Published: April 16, 2020
Security Bulletin ID
SB2020041606
CSH Severity
High
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) Input validation error (CVE-ID: CVE-2020-3161)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input of HTTP requests in the web server for Cisco IP Phones. A remote attacker can send a specially crafted HTTP request and execute arbitrary code with root privileges or cause a reload of an affected IP phone, resulting in a (DoS) condition.
Remediation
Install update from vendor's website.