CVE-2021-1310 Cisco Webex Meetings Open Redirect Vulnerability

Medium 4.7 Published 13 Jan 2021 Updated 17 Sep 2024

An attacker can redirect users to malicious sites via crafted links, bypassing security warnings in Cisco Webex Meetings.

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-2021-1310?

CVE-2021-1310 is a medium-severity vulnerability in Cisco Webex Meetings, published on 13 Jan 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 the web-based management interface of Cisco Webex Meetings could allow an unauthenticated, remote attacker to redirect a user to an untrusted web page, bypassing the warning mechanism that should prompt the user before the redirection. This vulnerability is due to improper input validation of the URL parameters in an HTTP request. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious website, bypassing the Webex URL check that should result in a warning before the redirection to the web page. Attackers may use this type of vulnerability, known as an open redirect attack, as part of a phishing attack to convince users to unknowingly visit malicious sites.

Weakness: CWE-601

Which versions are affected by CVE-2021-1310?

It affects 1 product.

Products include Cisco Webex Meetings.

How do I fix CVE-2021-1310?

No fix has been published for CVE-2021-1310 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1310 being exploited?

There is no known exploitation of CVE-2021-1310 in the wild and no public exploit code.

All Cisco Webex Meetings vulnerabilities

Sources

Also known as GHSA-mhr4-7h64-3vv5.