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CRITICAL CISA KEV

CVE-2020-3161

CVSS v3

9.8

CRITICAL

EPSS Score

83.1 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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.

CISA Known Exploited Vulnerability

Date Added
2021-11-03
Patch Due Date
2022-05-03
Ransomware Use
Unknown

Technical details

Published
2020-04-15
Exploit-DB
EDB-48342

Frequently asked questions

What is 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.

Is CVE-2020-3161 actively exploited?

Yes. CVE-2020-3161 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2020-3161?

CVE-2020-3161 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-3161 affecting your environment?

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