CVE-2021-40115 Cisco Webex Video Mesh Cross-Site Scripting Vulnerability
An unauthenticated attacker can execute arbitrary script code or access sensitive browser information via a crafted link in the Cisco Webex Video Mesh interface.
- 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-2021-40115?
CVE-2021-40115 is a medium-severity cross-site scripting vulnerability in Cisco Webex Video Mesh, published on 4 Nov 2021. 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 Cisco Webex Video Mesh could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.
Weakness: CWE-79
Which versions are affected by CVE-2021-40115?
It affects 2 products.
Products include Cisco Collaboration Meeting Rooms, Cisco Webex Video Mesh.
How do I fix CVE-2021-40115?
No fix has been published for CVE-2021-40115 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-40115 being exploited?
There is no known exploitation of CVE-2021-40115 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Video Mesh
Sources
Also known as GHSA-r2fh-qw8f-487x.