Cross-site request forgery in Cisco Expressway Series Software and Cisco TelePresence Video Communication Server

1) Cross-site request forgery

EUVDB-ID: #VU67968

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20853

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the REST API. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Expressway Series: 14.0

TelePresence Video Communication Server (VCS): 14.0

CPE2.3

• cpe:2.3:a:cisco_systems:expressway_series:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:expressway_series:14.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:telepresence_video_communication_server_vcs:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:telepresence_video_communication_server_vcs:14.0:*:*:*:*:*:*:*

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-csrf-sqpsSfY6

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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