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CVE-2020-3161

Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability

Published
Last modified
published
Listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

This vulnerability affects the built-in web server in Cisco IP Phones, allowing an unauthenticated remote attacker to run code with root privileges or crash and restart the phone, causing a denial of service.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Cisco Cisco IP phone

    Version range not reported

References 2

tools.cisco.com

packetstormsecurity.com