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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (75.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
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
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191120… (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.