CVE-2022-20763 Cisco Webex Meetings Java Deserialization Vulnerability
Authenticated attackers can inject arbitrary Java code via malicious login requests in Cisco Webex Meetings, leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20763?
CVE-2022-20763 is a medium-severity unsafe deserialization vulnerability in Cisco Webex Meetings Online, published on 6 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-502
Which versions are affected by CVE-2022-20763?
It affects 1 product.
Products include Cisco Webex Meetings Online.
How do I fix CVE-2022-20763?
No fix has been published for CVE-2022-20763 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2022-20763 being exploited?
There is no known exploitation of CVE-2022-20763 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings Online
- CVE-2018-0287 Code injection in Cisco WebEx Advanced Recording Format Player
- CVE-2019-1637 Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities
- CVE-2019-1638 Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities
- CVE-2019-1639 Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities
- CVE-2019-1640 Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities
Sources
Also known as GHSA-6w4v-wcgf-49jv.