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TI-2022-05322 Aliases CVE-2022-20763GHSA-6w4v-wcgf-49jv

Cisco Webex Meetings Java Deserialization Vulnerability

Priority MEDIUM 40CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00899 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Webex Meetingsall versions—No fix listedCNA
  • Cisco Webex Meetings VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:webex_meetings_online:wbs42.2.1-1:*:*:*:*:*:*:*wbs42.2.1-1VulnerableCisco
  • cpe:2.3:a:cisco:webex_meetings_online:wbs42.2.1-1:*:*:*:*:*:*:* Versions wbs42.2.1-1 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-20763
  2. 2026-10-03 Alias added: GHSA-6w4v-wcgf-49jv

References

Advisory 1

  • TI-2019-01300 Cisco Webex Meetings Desktop App and Cisco Webex Productivity Tools Update Service Command Injection Vulnerability CVSS 3.0HIGH 8.8
  • TI-2018-00246 Improper input validation in Cisco WebEx Advanced Recording Format Player CVSS 3.0HIGH 8.8
  • TI-2020-02704 Cisco Webex Meetings Suite and Cisco Webex Meetings Online Unauthenticated Meeting Join Vulnerability CVSS 3.1HIGH 7.5
  • TI-2020-02689 Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerabilities CVSS 3.1HIGH 7.8
  • TI-2020-02755 Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2020-02690 Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerabilities CVSS 3.1HIGH 7.8
See all 58 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences