Risk Letters

Exploited vulnerability

CVE-2020-3161

TLP:CLEAR

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

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.

Facts

  • Vendor: Cisco
  • Product: Cisco IP Phones
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 83.9 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • CISA's deadline for US federal agencies: 3 May 2022
  • Weakness: CWE-20
  • First seen by Risk Letters: 3 November 2021

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD