Improper input validation in Cisco Meeting Server
CVE-2019-1676
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.018 (76.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Meeting Server — versions unspecified
- Cisco Meeting_server
Weakness classification (CWE)
References
- psirt@cisco.com (Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1676?
- CVE-2019-1676 is a medium-severity vulnerability in Cisco Meeting Server, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2019-02-08.
- How severe is CVE-2019-1676?
- Medium severity. CVSS v3 base score is 6.8 out of 10.