CVE-2020-3161CISA KEV
Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability
CISA lists this Cisco Cisco IP Phones vulnerability as known exploited. The vendor's advisory has the fixed versions.
CISA catalog record
Cisco IP Phones contain an improper input validation vulnerability for HTTP requests. Exploitation could allow an attacker to execute code remotely with root privileges or cause a denial-of-service (DoS) condition.
- Product
- Cisco IP Phones
- Added to KEV
- 3 Nov 2021
- Federal remediation due
- 3 May 2022
- Known ransomware use
- Not reported
What changed
First observed 14 Oct 2026No field changes in the recorded history.
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