CVE-2019-15987 Cisco WebEx Centers Username Enumeration Information Disclosure Vulnerability
Unauthenticated attackers can enumerate valid usernames and retrieve real names due to missing CAPTCHA protection in Cisco WebEx web interfaces.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-15987?
CVE-2019-15987 is a medium-severity vulnerability in Cisco Webex Meetings Online, published on 26 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2019-15987?
It affects 6 products.
Products include Cisco Webex Event Center, Cisco Webex Meeting Center, Cisco Webex Meetings Online, Cisco Webex Meetings Server, Cisco Webex Support Center, Cisco Webex Training Center.
How do I fix CVE-2019-15987?
No fix has been published for CVE-2019-15987 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-15987 being exploited?
There is no known exploitation of CVE-2019-15987 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings Online
Sources
Also known as GHSA-99jc-7925-7fc9.