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 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ciscoCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
VendorProductVersion
ciscoip_phone_8865_firmware
10.3\(1\)es14
ciscoip_phone_8865_firmware
11.0\(1\)
ciscoip_phone_8865_firmware
11.0\(5\)sr1
ciscoip_phone_8851_firmware
10.3\(1\)es14
ciscoip_phone_8851_firmware
11.0\(1\)
ciscoip_phone_8851_firmware
11.0\(5\)sr1
ciscoip_phone_7841_firmware
11.0\(1\)
ciscoip_phone_7821_firmware
11.0\(1\)
ciscoip_phone_8811_firmware
10.3\(1\)es14
ciscoip_phone_8811_firmware
11.0\(1\)
ciscoip_phone_8811_firmware
11.0\(5\)sr1
ciscoip_phone_8861_firmware
10.3\(1\)es14
ciscoip_phone_8861_firmware
11.0\(1\)
ciscoip_phone_8861_firmware
11.0\(5\)sr1
ciscoip_phone_8845_firmware
10.3\(1\)es14
ciscoip_phone_8845_firmware
11.0\(1\)
ciscoip_phone_8845_firmware
11.0\(5\)sr1
ciscoip_phone_7861_firmware
11.0\(1\)
ciscoip_phone_8841_firmware
10.3\(1\)es14
ciscoip_phone_8841_firmware
11.0\(1\)
ciscoip_phone_8841_firmware
11.0\(5\)sr1
ciscoip_phone_7811_firmware
11.0\(1\)
ciscoip_phone_8821_firmware
10.3\(1\)es14
ciscoip_phone_8821_firmware
11.0\(1\)
ciscoip_phone_8821_firmware
11.0\(5\)sr1
ciscoip_phone_8821-ex_firmware
10.3\(1\)es14
ciscoip_phone_8821-ex_firmware
11.0\(1\)
ciscoip_phone_8821-ex_firmware
11.0\(5\)sr1
cisco8831_firmware
10.3\(1\)es14
cisco8831_firmware
11.0\(1\)
cisco8831_firmware
11.0\(5\)sr1
𝑥
= Vulnerable software versions