Cisco Webex Meetings vulnerabilities

2 known vulnerabilities in Cisco Webex Meetings from Cisco. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 9.8 Critical severity

  Cisco Webex Meetings: Improper Certificate Validation

  CVE-2026-20184Apr 15, 2026Cisco

  A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate va

• 8.8 High severity

  Cisco Webex Meetings: Deserialization of Untrusted Data

  CVE-2022-20763Apr 6, 2022Cisco

  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 cou