CVE-2024-20396 Information disclosure in Cisco Webex Teams
An attacker can capture sensitive credentials by observing traffic when a user clicks a malicious link in Cisco Webex App.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-20396?
CVE-2024-20396 is a medium-severity vulnerability in Cisco Webex Teams, published on 17 Jul 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in the protocol handlers of Cisco Webex App could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability exists because the affected application does not safely handle file protocol handlers. An attacker could exploit this vulnerability by persuading a user to follow a link that is designed to cause the application to send requests. If the attacker can observe transmitted traffic in a privileged network position, a successful exploit could allow the attacker to capture sensitive information, including credential information, from the requests.
Weakness: CWE-200
Which versions are affected by CVE-2024-20396?
It affects 1 product.
Products include Cisco Webex Teams.
How do I fix CVE-2024-20396?
No fix has been published for CVE-2024-20396 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-20396 being exploited?
There is no known exploitation of CVE-2024-20396 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Teams
- CVE-2025-20236 Cisco Webex App Client-Side Remote Code Execution Vulnerability
- CVE-2018-0387 Code injection in Cisco Webex Teams unknown
- CVE-2018-0436 Cisco Webex Teams Information Disclosure and Modification Vulnerability
- CVE-2020-3535 Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability
- CVE-2019-1636 Cisco Webex Teams URI Handler Insecure Library Loading Vulnerability
Sources
Also known as GHSA-67ww-939x-f5pp.