CVE-2021-1517
MEDIUMCisco Webex Meetings and Webex Meetings Server - Security Protection Bypass via Multimedia Viewer Feature
Title source: llmDescription
A vulnerability in the multimedia viewer feature of Cisco Webex Meetings and Cisco Webex Meetings Server could allow an authenticated, remote attacker to bypass security protections. This vulnerability is due to unsafe handling of shared content within the multimedia viewer feature. An attacker could exploit this vulnerability by sharing a file through the multimedia viewer feature. A successful exploit could allow the attacker to bypass security protections and prevent warning dialogs from appearing before files are offered to other users.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-multimedia-26DpqVRO
Scores
CVSS v3
5.0
EPSS
0.0018
EPSS Percentile
39.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-693
Status
published
Products (4)
cisco/webex_meetings_online
41.3.5
cisco/webex_meetings_server
3.0 (4 CPE variants)
cisco/webex_meetings_server
4.0 (6 CPE variants)
cisco/webex_meetings_server
< 3.0
Published
Jun 04, 2021
Tracked Since
Feb 18, 2026