CVE-2024-20375

Description

A vulnerability in the SIP call processing function of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper parsing of SIP messages. An attacker could exploit this vulnerability by sending a crafted SIP message to an affected Cisco Unified CM or Cisco Unified CM SME device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition that interrupts the communications of reliant voice and video devices.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.20%
Vendor Advisory cisco.com
Affected: Cisco Cisco Unified Communications Manager
Published at:
Updated at:

References

Link Tags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-dos-kkHq43We vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-20375?
CVE-2024-20375 has been scored as a high severity vulnerability.
How to fix CVE-2024-20375?
To fix CVE-2024-20375, 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-2024-20375 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-20375 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-20375?
CVE-2024-20375 affects Cisco Cisco Unified Communications Manager.
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