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CVE-2022-20853

HIGHCVSS 7.4/10EPSS 0.61%

Last modified

CVE-2022-20853 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability in the REST API of Cisco Expressway Series and Cisco TelePresence VCS could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected system. An attacker could exploit this vulnerability by persuading a user of the REST API to follow a crafted link. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

A vulnerability in the REST API of Cisco Expressway Series and Cisco TelePresence VCS could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected system. An attacker could exploit this vulnerability by persuading a user of the REST API to follow a crafted link. A successful exploit could allow the attacker to cause the affected system to reload. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. 

Metrics

CVSS 3.1
7.4/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

EPSS Probability
0.61%

44.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoTelepresence Video Communication Serverx8.1
CiscoTelepresence Video Communication Serverx8.1.1
CiscoTelepresence Video Communication Serverx8.1.2
CiscoTelepresence Video Communication Serverx8.2
CiscoTelepresence Video Communication Serverx8.2.1
CiscoTelepresence Video Communication Serverx8.2.2
CiscoTelepresence Video Communication Serverx8.5
CiscoTelepresence Video Communication Serverx8.5.1
CiscoTelepresence Video Communication Serverx8.5.2
CiscoTelepresence Video Communication Serverx8.5.3
CiscoTelepresence Video Communication Serverx8.6
CiscoTelepresence Video Communication Serverx8.6.1
CiscoTelepresence Video Communication Serverx8.7
CiscoTelepresence Video Communication Serverx8.7.1
CiscoTelepresence Video Communication Serverx8.7.2
CiscoTelepresence Video Communication Serverx8.7.3
CiscoTelepresence Video Communication Serverx8.8
CiscoTelepresence Video Communication Serverx8.8.1
CiscoTelepresence Video Communication Serverx8.8.2
CiscoTelepresence Video Communication Serverx8.8.3
CiscoTelepresence Video Communication Serverx8.9
CiscoTelepresence Video Communication Serverx8.9.1
CiscoTelepresence Video Communication Serverx8.9.2
CiscoTelepresence Video Communication Serverx8.10.0
CiscoTelepresence Video Communication Serverx8.10.1
CiscoTelepresence Video Communication Serverx8.10.2
CiscoTelepresence Video Communication Serverx8.10.3
CiscoTelepresence Video Communication Serverx8.10.4
CiscoTelepresence Video Communication Serverx8.11.0
CiscoTelepresence Video Communication Serverx8.11.1
CiscoTelepresence Video Communication Serverx8.11.2
CiscoTelepresence Video Communication Serverx8.11.3
CiscoTelepresence Video Communication Serverx8.11.4
CiscoTelepresence Video Communication Serverx12.5.0
CiscoTelepresence Video Communication Serverx12.5.1
CiscoTelepresence Video Communication Serverx12.5.2
CiscoTelepresence Video Communication Serverx12.5.3
CiscoTelepresence Video Communication Serverx12.5.4
CiscoTelepresence Video Communication Serverx12.5.5
CiscoTelepresence Video Communication Serverx12.5.6
CiscoTelepresence Video Communication Serverx12.5.7
CiscoTelepresence Video Communication Serverx12.5.8
CiscoTelepresence Video Communication Serverx12.5.9
CiscoTelepresence Video Communication Serverx12.6.0
CiscoTelepresence Video Communication Serverx12.6.1
CiscoTelepresence Video Communication Serverx12.6.2
CiscoTelepresence Video Communication Serverx12.6.3
CiscoTelepresence Video Communication Serverx12.6.4
CiscoTelepresence Video Communication Serverx12.7.0
CiscoTelepresence Video Communication Serverx12.7.1

Showing 50 of 59 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2022-20853?
A vulnerability in the REST API of Cisco Expressway Series and Cisco TelePresence VCS could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected system. An attacker could exploit this vulnerability by persuading a user of the REST API to follow a crafted link. A successful exploit could allow the attacker to cause the affected system to reload. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. 
How severe is CVE-2022-20853?
CVE-2022-20853 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.
How do I fix CVE-2022-20853?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20853?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST