9.8
Critical
CVE-2026-20184 A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Webex Meetings | 45.4 | No fix stated |
| Cisco Webex Meetings | 45.3 | No fix stated |
| Cisco Webex Meetings | 45.2 | No fix stated |
| Cisco Webex Meetings | 45.1 | No fix stated |
| Cisco Webex Meetings | 44.12 | No fix stated |
| Cisco Webex Meetings | 44.11 | No fix stated |
| Cisco Webex Meetings | 44.10 | No fix stated |
| Cisco Webex Meetings | 44.9 | No fix stated |
| Cisco Webex Meetings | 44.8 | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Webex Meetings | 44.7 | No fix stated |
| Cisco Webex Meetings | 44.6 | No fix stated |
| Cisco Webex Meetings | 44.5 | No fix stated |
| Cisco Webex Meetings | 44.4 | No fix stated |
| Cisco Webex Meetings | 44.3 | No fix stated |
| Cisco Webex Meetings | 44.2 | No fix stated |
| Cisco Webex Meetings | 44.1 | No fix stated |
| Cisco Webex Meetings | 43.12 | No fix stated |
| Cisco Webex Meetings | 43.11 | No fix stated |
| Cisco Webex Meetings | 43.10 | No fix stated |
| Cisco Webex Meetings | 43.9 | No fix stated |
| Cisco Webex Meetings | 43.8 | No fix stated |
| Cisco Webex Meetings | 43.7 | No fix stated |
| Cisco Webex Meetings 43.6 | 43.6.0 → 43.6.1 | No fix stated |
| Cisco Webex Meetings | 43.5.0 | No fix stated |
| Cisco Webex Meetings 43.4 | 43.4 → 43.4.2 | No fix stated |
| Cisco Webex Meetings | 43.3 | No fix stated |
| Cisco Webex Meetings | 43.2 | No fix stated |
| Cisco Webex Meetings | 43.1 | No fix stated |
| Cisco Webex Meetings | 42.12 | No fix stated |
| Cisco Webex Meetings | 42.11 | No fix stated |
| Cisco Webex Meetings | 42.10 | No fix stated |
| Cisco Webex Meetings | 42.9 | No fix stated |
| Cisco Webex Meetings | 42.8 | No fix stated |
| Cisco Webex Meetings | 42.7 | No fix stated |
| Cisco Webex Meetings | 42.6 | No fix stated |
| Cisco Webex Meetings 40.6 | 40.6 → 40.6.2 | No fix stated |
| Cisco Webex Meetings 40.4 | 40.4 → 40.4.10 | No fix stated |
| Cisco Webex Meetings | 40.2 | No fix stated |
| Cisco Webex Meetings | 40.1 | No fix stated |
| Cisco Webex Meetings | 39.11 | No fix stated |
| Cisco Webex Meetings | 39.10 | No fix stated |
| Cisco Webex Meetings 39.9 | 39.9 → 39.9.1 | No fix stated |
| Cisco Webex Meetings 39.8 | 39.8 → 39.8.4 | No fix stated |
| Cisco Webex Meetings 39.7 | 39.7 → 39.7.7 | No fix stated |
| Cisco Webex Meetings | 39.6 | No fix stated |
References
- cisco-sa-webex-cui-cert-8jSZYhWL sec.cloudapps.cisco.com
Timeline
- Published
- Last modified
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