Vulnerability identifier: #VU68537

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20811

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco TelePresence Collaboration Endpoint (CE)
Hardware solutions / Office equipment, IP-phones, print servers
Cisco RoomOS
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the video endpoint xAPI. A remote administrator can send a specially crafted HTTP request and read and write arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco TelePresence Collaboration Endpoint (CE): 9 - 10

Cisco RoomOS: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-trav-beFvCcyu

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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