Auth bypass in Cisco Webex Event Center
CVE-2019-15987
A vulnerability in web interface of the Cisco Webex Event Center, Cisco Webex Meeting Center, Cisco Webex Support Center, and Cisco Webex Training Center could allow an unauthenticated, remote attacker to guess account usernames. The vulnerability is due to missing CAPTCHA protection in certain URLs. An attacker could exploit this vulnerability by sending a crafted request to the web interface. A successful exploit could allow the attacker to know if a given username is valid and find the real name of the user.
Vulnerability class: Broken Authentication
EPSS: 0.016 (73.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Cisco Webex Event Center — versions unspecified
- Cisco Webex_event_center
- Cisco Webex_meeting_center
- Cisco Webex_meetings_online — versions 11.0.0
- Cisco Webex_meetings_server — versions 4.0
- Cisco Webex_support_center
- Cisco Webex_training_center
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-15987?
- CVE-2019-15987 is a medium-severity vulnerability in Cisco Webex Event Center, classified under Improper Authentication. CVSS score: 5.3/10. Published 2019-11-26.
- How severe is CVE-2019-15987?
- Medium severity. CVSS v3 base score is 5.3 out of 10.