Protection Mechanism Failure in Cisco WebEx Meetings Server and Cisco Webex Meetings - CVE-2021-1517
Published: June 3, 2021
Vulnerability identifier: #VU53760
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1517
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco WebEx Meetings Server
Cisco Webex Meetings
Cisco WebEx Meetings Server
Cisco Webex Meetings
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to unsafe handling of shared content within the multimedia viewer feature. A remote authenticated attacker can bypass security protections and prevent warning dialogs from appearing before files are offered to other users.
How to mitigate CVE-2021-1517
Install updates from vendor's website.