CVE-2021-1526
HIGHCisco Webex Player < 41.5 - Remote Code Execution via Malicious WRF File
Title source: llmDescription
A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to execute arbitrary code on an affected system. This vulnerability is due to insufficient validation of values in Webex recording files that are in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-kOf8zVT
Scores
CVSS v3
7.8
EPSS
0.0045
EPSS Percentile
63.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-787
Status
published
Products (1)
cisco/webex_player
< 41.5 (2 CPE variants)
Published
Jun 04, 2021
Tracked Since
Feb 18, 2026