Buffer overflow in Cisco Systems, Inc products - CVE-2020-3194
Published: April 16, 2020
Vulnerability identifier: #VU26975
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3194
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in Cisco Webex Network Recording Player for Windows and Cisco Webex Player for Windows due to insufficient validation of certain elements with a Webex recording stored in either the Advanced Recording Format (ARF) or the Webex Recording Format (WRF). A remote attacker can create a specially crafted ARF or WRF file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Cisco Webex Meetings sites
Cisco Webex Meetings Online
Cisco WebEx Meetings Server
Cisco WebEx Network Recording Player
Webex Player
Cisco Webex Meetings Online
Cisco WebEx Meetings Server
Cisco WebEx Network Recording Player
Webex Player
How to mitigate CVE-2020-3194
Install updates from vendor's website.
Cisco Webex Meetings sites - addressed in versions 39.5.18, 40.2
Cisco Webex Meetings Online - update to 1.3.48
Cisco WebEx Meetings Server - update to 4.0MR2 patch 3
Cisco Webex Meetings Online - update to 1.3.48
Cisco WebEx Meetings Server - update to 4.0MR2 patch 3