CVE-2020-3161

Known Exploited Public Exploit
Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 82.19% Top 5%
KEV Since 
Vendor Advisory cisco.com
Affected: Cisco Cisco IP phone
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2020-3161?
CVE-2020-3161 has been scored as a critical severity vulnerability.
How to fix CVE-2020-3161?
To fix CVE-2020-3161, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3161 being actively exploited in the wild?
It is confirmed that CVE-2020-3161 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~82% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3161?
CVE-2020-3161 affects Cisco Cisco IP phone.
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