CVE-2020-3419
A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to join a Webex session without appearing on the participant list. This vulnerability is due to improper handling of authentication tokens by a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Cisco Webex Meetings Server site. A successful exploit requires the attacker to have access to join a Webex meeting, including applicable meeting join links and passwords. The attacker could then exploit this vulnerability to join meetings, without appearing in the participant list, while having full access to audio, video, chat, and screen sharing capabilities.
EPSS 0.47% · 65.1th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco WebEx Meetings Server | n/a |
| cisco | webex_meetings_server | 3.0, 3.0, 3.0 |
Exploit Intelligence
Timeline
- Nov 18, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-prv-esc-nPzWZrQj advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-leak-PhpzB3sG advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-AUTH-vEypBmmR advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-auth-token-3vg57A5r advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-api-rce-UXwpeDHd advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-BCK-GHkPNZ5F advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-APIA-xZntFS2V advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dna-cmd-injection-rrAYzOwc advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-3419 advisory