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CVE-2020-3161 PUBLISHED KEV CVSS 9.800000190734863 CRITICAL

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.

EPSS 77.33% · 99.0th percentile

Risk Scores

CVSS v3.0
9.800000190734863
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
77.33%
99.0th percentile

Affected Products

VendorProductVersions
ciscoip_phone_8821_firmware10.3\(1\)es14, 11.0\(5\)sr1, 11.0\(1\)
ciscoip_phone_8861_firmware11.0\(1\), 11.0\(5\)sr1, 11.0\(1\)
ciscoip_phone_8845_firmware10.3\(1\)es14, 11.0\(5\)sr1, 11.0\(1\)
ciscoip_phone_8841_firmware11.0\(1\), 11.0\(5\)sr1, 10.3\(1\)es14
ciscoip_phone_7861_firmware11.0\(1\), 11.0\(1\), 11.0\(1\)
ciscoip_phone_7821_firmware11.0\(1\), 11.0\(1\), 11.0\(1\)
ciscoip_phone_7811_firmware11.0\(1\), 11.0\(1\), 11.0\(1\)
CiscoCisco IP phonen/a
ciscoip_phone_8851_firmware10.3\(1\)es14, 10.3\(1\)es14, 11.0\(1\)
ciscoip_phone_8865_firmware11.0\(5\)sr1, 10.3\(1\)es14, 11.0\(1\)
cisco8831_firmware11.0\(5\)sr1, 10.3\(1\)es14, 11.0\(1\)
ciscoip_phone_7841_firmware11.0\(1\), 11.0\(1\), 11.0\(1\)
ciscoip_phone_8811_firmware11.0\(1\), 11.0\(5\)sr1, 10.3\(1\)es14
ciscoip_phone_8821-ex_firmware10.3\(1\)es14, 10.3\(1\)es14, 11.0\(5\)sr1

Timeline

References

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