Open redirect in Cisco WebEx Meetings Server and Cisco Webex Meetings - CVE-2021-1525
Published: June 3, 2021
Vulnerability identifier: #VU53761
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1525
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper validation of URL paths in the application interface. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Affected software
Cisco WebEx Meetings Server
Cisco Webex Meetings
Cisco Webex Meetings
How to mitigate CVE-2021-1525
Install updates from vendor's website.
Cisco WebEx Meetings Server - addressed in versions 3.0 MR4, 4.0 MR4
Cisco Webex Meetings - addressed in versions 3.0 MR4, 4.0 MR4
Cisco Webex Meetings - addressed in versions 3.0 MR4, 4.0 MR4