Vulnerability identifier: #VU8154

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12224

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Meeting Server
Client/Desktop applications / Multimedia software

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a remote authenticated attacker to enter a meeting with a hyperlink URL

The weakness exists in Cisco Meeting Server due to the incorrect implementation of the configuration setting Guest access via hyperlinks. A remote attacker can use a specially crafted valid hyperlink to connect directly to the meeting.

Mitigation
The vulnerability is addressed in the following versions: 2.2.1, 2.1.8, 2.0.15.

Vulnerable software versions

Cisco Meeting Server: 1.8 - 2.2.0

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-cms

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.