What is the vulnerability ID?

The vulnerability ID is CVE-2022-20755.

What is the severity of CVE-2022-20755?

The severity of CVE-2022-20755 is critical with a CVSS score of 7.2.

What can an authenticated attacker with read/write privileges do in CVE-2022-20755?

An authenticated attacker with read/write privileges can write files or execute arbitrary code on the affected application.

How can I fix CVE-2022-20755?

To fix CVE-2022-20755, it is recommended to upgrade to a version higher than 14.0.5 of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS).

Vulnerability/
CVE-2022-20755

critical

CWE

6/4/2022

6/11/2024

CVE-2022-20755: Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

Q: Which software is affected by CVE-2022-20755?

The software affected by CVE-2022-20755 is Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) with a version up to but not including 14.0.5.

First published: Wed Apr 06 2022(Updated: )

Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker with read/write privileges to the application to write files or execute arbitrary code on the underlying operating system of an affected device as the root user. For more information about these vulnerabilities, see the Details section of this advisory.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco TelePresence Video Communication Server	<14.0.5

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-filewrite-87Q5YRk

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2022-20755.
What is the severity of CVE-2022-20755?
The severity of CVE-2022-20755 is critical with a CVSS score of 7.2.
Which software is affected by CVE-2022-20755?
The software affected by CVE-2022-20755 is Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) with a version up to but not including 14.0.5.
What can an authenticated attacker with read/write privileges do in CVE-2022-20755?
An authenticated attacker with read/write privileges can write files or execute arbitrary code on the affected application.
How can I fix CVE-2022-20755?
To fix CVE-2022-20755, it is recommended to upgrade to a version higher than 14.0.5 of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS).

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