CVE-2022-20852 Cisco Webex Meetings Web Interface Vulnerabilities

What is CVE-2022-20852?

CVE-2022-20852 is a medium-severity cross-site scripting vulnerability in Cisco Webex Meetings, published on 10 Aug 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Multiple vulnerabilities in the web interface of Cisco Webex Meetings could allow a remote attacker to conduct a cross-site scripting (XSS) attack or a frame hijacking attack against a user of the web interface. For more information about these vulnerabilities, see the Details section of this advisory.

Weakness: CWE-1021

Which versions are affected by CVE-2022-20852?

It affects 1 product.

Products include Cisco Webex Meetings.

How do I fix CVE-2022-20852?

No fix has been published for CVE-2022-20852 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-20852 being exploited?

There is no known exploitation of CVE-2022-20852 in the wild and no public exploit code.

Other vulnerabilities in Cisco Webex Meetings

• CVE-2017-12368 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players Critical 9.6
• CVE-2017-12369 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players Critical 9.6
• CVE-2017-12370 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players Critical 9.6
• CVE-2017-12371 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players Critical 9.6
• CVE-2017-12372 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players Critical 9.6

All Cisco Webex Meetings vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v6mw-975h-x9gw.