What is the vulnerability ID of this Cisco Webex Meetings vulnerability?

The vulnerability ID is CVE-2022-20763.

What is the severity of CVE-2022-20763?

The severity of CVE-2022-20763 is high with a CVSS score of 8.8.

How can an attacker exploit CVE-2022-20763?

An attacker can exploit CVE-2022-20763 by sending malicious login requests containing arbitrary Java code.

Is there a fix available for CVE-2022-20763?

Yes, Cisco has released a security advisory with fixes for CVE-2022-20763. Please refer to the Cisco Security Advisory for more information.

Vulnerability/
CVE-2022-20763

high

8.8

CWE

502

6/4/2022

16/9/2024

CVE-2022-20763: Cisco Webex Meetings Java Deserialization Vulnerability

First published: Wed Apr 06 2022(Updated: )

A vulnerability in the login authorization components of Cisco Webex Meetings could allow an authenticated, remote attacker to inject arbitrary Java code. This vulnerability is due to improper deserialization of Java code within login requests. An attacker could exploit this vulnerability by sending malicious login requests to the Cisco Webex Meetings service. A successful exploit could allow the attacker to inject arbitrary Java code and take arbitrary actions within the Cisco Webex Meetings application.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Webex Meetings Online	=wbs42.2.1-1

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-java-MVX6crH9

Frequently Asked Questions

What is the vulnerability ID of this Cisco Webex Meetings vulnerability?
The vulnerability ID is CVE-2022-20763.
What is the severity of CVE-2022-20763?
The severity of CVE-2022-20763 is high with a CVSS score of 8.8.
How does CVE-2022-20763 affect Cisco Webex Meetings?
CVE-2022-20763 affects Cisco Webex Meetings by allowing an authenticated, remote attacker to inject arbitrary Java code through improper deserialization of Java code within login requests.
How can an attacker exploit CVE-2022-20763?
An attacker can exploit CVE-2022-20763 by sending malicious login requests containing arbitrary Java code.
Is there a fix available for CVE-2022-20763?
Yes, Cisco has released a security advisory with fixes for CVE-2022-20763. Please refer to the Cisco Security Advisory for more information.

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canonical/cisco webex meetings online
version/cisco webex meetings online/wbs42.2.1-1

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