CVE-2021-1503: Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability
A vulnerability in Cisco Webex Network Recording Player for Windows and MacOS and 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 either Advanced Recording Format (ARF) or Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious ARF or 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.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID of this Cisco Webex vulnerability?
The vulnerability ID is CVE-2021-1503.
What is the severity of CVE-2021-1503?
The severity of CVE-2021-1503 is high, with a severity value of 7.8.
Which software is affected by CVE-2021-1503?
The Cisco Webex Network Recording Player for Windows and MacOS, and Cisco Webex Player for Windows and MacOS versions up to 41.2 are affected.
What is the impact of CVE-2021-1503?
CVE-2021-1503 allows an attacker to execute arbitrary code on an affected system.
Is there a fix available for CVE-2021-1503?
Yes, Cisco has released a security advisory with mitigation details. Please refer to the reference link for more information.