CVE-2019-1954: Cisco Webex Meetings Server Open Redirection Vulnerability

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-08-08 · updated 2026-06-17
Weakness: CWE-601

Description

A vulnerability in the web-based management interface of Cisco Webex Meetings Server Software could allow an unauthenticated, remote attacker to redirect a user to an undesired web page. The vulnerability is due to improper input validation of the URL parameters in an HTTP request that is sent to an affected device. An attacker could exploit this vulnerability by crafting an HTTP request that could cause the web application to redirect the request to a specified malicious URL. A successful exploit could allow the attacker to redirect a user to a malicious website.

Affected products

Cisco WebEx Meetings Server: before 4.0\(1\) — fixed in 4.0\(1\)

How to fix

Upgrade to a fixed version: Cisco WebEx Meetings Server 4.0\(1\). Check the vendor advisory for mitigations.

References

Get alerted when CVE-2019-1954 or the next vulnerability affects your stack