Vulnerability in Cisco Webex Meetings Server
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Cisco Webex Meetings Server
- Cisco Webex Meetings Server — versions 3.0, 4.0
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-au… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3419?
- CVE-2020-3419 is a medium-severity vulnerability in Cisco Webex Meetings Server, classified under Improper Control of Dynamically-Managed Code Resources. CVSS score: 6.5/10. Published 2020-11-18.
- How severe is CVE-2020-3419?
- Medium severity. CVSS v3 base score is 6.5 out of 10.