High severity7.8NVD Advisory· Published Jun 4, 2021· Updated Jun 17, 2026
CVE-2021-1526
CVE-2021-1526
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:a:cisco:webex_player:*:*:*:*:*:macos:*:*+ 2 more
- cpe:2.3:a:cisco:webex_player:*:*:*:*:*:macos:*:*range: <41.5
- cpe:2.3:a:cisco:webex_player:*:*:*:*:*:windows:*:*range: <41.5
- (no CPE)
- Range: n/a
Patches
Vulnerability mechanics
References
1News mentions
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