801
VMScore

CVE-2017-12249

Published: 13/09/2017 Updated: 09/10/2019
CVSS v2 Base Score: 9 | Impact Score: 10 | Exploitability Score: 8
CVSS v3 Base Score: 9.1 | Impact Score: 6 | Exploitability Score: 2.3
VMScore: 801
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Vulnerability Summary

A vulnerability in the Traversal Using Relay NAT (TURN) server included with Cisco Meeting Server (CMS) could allow an authenticated, remote malicious user to gain unauthenticated or unauthorized access to components of or sensitive information in an affected system. The vulnerability is due to an incorrect default configuration of the TURN server, which could expose internal interfaces and ports on the external interface of an affected system. An attacker could exploit this vulnerability by using a TURN server to perform an unauthorized connection to a Call Bridge, a Web Bridge, or a database cluster in an affected system, depending on the deployment model and CMS services in use. A successful exploit could allow the malicious user to gain unauthenticated access to a Call Bridge or database cluster in an affected system or gain unauthorized access to sensitive meeting information in an affected system. To exploit this vulnerability, the attacker must have valid credentials for the TURN server of the affected system. This vulnerability affects Cisco Meeting Server (CMS) deployments that are running a CMS Software release prior to Release 2.0.16, 2.1.11, or 2.2.6. Cisco Bug IDs: CSCvf51127.

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Vendor Advisories

A vulnerability in the Traversal Using Relay NAT (TURN) server included with Cisco Meeting Server (CMS) could allow an authenticated, remote attacker to gain unauthenticated or unauthorized access to components of or sensitive information in an affected system The vulnerability is due to an incorrect default configuration of the TURN server, whic ...