Improper input validation in Cisco Ip Phone
CVE-2020-3161
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 vul…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.871 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Ip Phone — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- 20200415 Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)
- packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-3161?
- CVE-2020-3161 is a critical-severity vulnerability in Cisco Ip Phone, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2020-04-15.
- How severe is CVE-2020-3161?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-3161 known to be exploited?
- Yes. CVE-2020-3161 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.