SB2022040703 - Deserialization of Untrusted Data in Cisco Webex Meetings
Published: April 7, 2022
Security Bulletin ID
SB2022040703
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Deserialization of Untrusted Data (CVE-ID: CVE-2022-20763)
CWE-ID: CWE-502 - Deserialization of Untrusted Data
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to inject arbitrary Java code.
The vulnerability exists due to improper deserialization of Java code within login requests. A remote user can inject arbitrary Java code and take arbitrary actions within the Cisco Webex Meetings application.
Remediation
Install update from vendor's website.