CVE-2020-3161
critical-risk
Published 2020-04-15
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.
Do I need to act?
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77.3% chance of exploitation in next 30 days
EPSS score — higher than 23% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
Ip Phone 7841 Firmware
Ip Phone 7821 Firmware
Ip Phone 7861 Firmware
Affected Vendors
References (5)
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-...
82
/ 100
critical-risk
Severity
32/34 · Critical
Exploitability
27/34 · High
Exposure
23/34 · High