CVE-2019-1676

Cisco Meeting Server SIP Processing Denial of Service Vulnerability

Description

A vulnerability in the Session Initiation Protocol (SIP) call processing of Cisco Meeting Server (CMS) software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition of the Cisco Meeting Server. The vulnerability is due to insufficient validation of Session Description Protocol (SDP) messages. An attacker could exploit this vulnerability by sending a crafted SDP message to the CMS call bridge. An exploit could allow the attacker to cause the CMS to reload, causing a DoS condition for all connected clients. Versions prior to 2.3.9 are affected.

Category

6.8
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.41%
Vendor Advisory cisco.com
Affected: Cisco Cisco Meeting Server
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/106909 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-meeting-sipdos vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-1676?
CVE-2019-1676 has been scored as a medium severity vulnerability.
How to fix CVE-2019-1676?
To fix CVE-2019-1676, 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-2019-1676 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1676 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-2019-1676?
CVE-2019-1676 affects Cisco Cisco Meeting Server.
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