Deserialization in Cisco Webex Meetings
CVE-2022-20763
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Cisco Webex Meetings
- Cisco Webex Meetings Online — versions wbs42.2.1-1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-ja… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-20763?
- CVE-2022-20763 is a medium-severity vulnerability in Cisco Webex Meetings, classified under Deserialization of Untrusted Data. CVSS score: 5.4/10. Published 2022-04-06.
- How severe is CVE-2022-20763?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2022-20763 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.