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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-20184

Cisco Webex Meetings Certificate Validation Vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
cisco

Description

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 validation. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by connecting to a service endpoint and supplying a crafted token. A successful exploit could have allowed the attacker to gain unauthorized access to legitimate Cisco Webex services.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco Webex Meetings

Default version status: unknown

  • 39.7.7affected
  • 39.9affected
  • 40.4.10affected
  • 39.6affected
  • 40.6.2affected
  • 39.8.2affected
  • 39.8.4affected
  • 40.1affected
  • 39.11affected
  • 39.7.4affected
  • 39.9.1affected
  • 40.4affected
  • 40.6affected
  • 39.7affected
  • 39.8affected
  • 39.8.3affected
  • 40.2affected
  • 39.10affected
  • 42.6affected
  • 42.7affected
  • 42.8affected
  • 42.9affected
  • 42.10affected
  • 42.11affected
  • 42.12affected
  • 43.1affected
  • 43.2affected
  • 43.3affected
  • 43.4affected
  • 43.4.1affected
  • 43.4.2affected
  • 43.5.0affected
  • 43.6.0affected
  • 43.6.1affected
  • 43.7affected
  • 43.8affected
  • 43.9affected
  • 43.10affected
  • 43.11affected
  • 43.12affected
  • 44.1affected
  • 44.2affected
  • 44.3affected
  • 44.4affected
  • 44.5affected
  • 44.6affected
  • 44.7affected
  • 44.8affected
  • 44.9affected
  • 44.10affected
  • 44.11affected
  • 44.12affected
  • 45.1affected
  • 45.2affected
  • 45.3affected
  • 45.4affected

References