CVE-2021-1527: Cisco Webex Player Memory Corruption Vulnerability
A vulnerability in Cisco Webex Player for Windows and MacOS could allow an attacker to cause the affected software to terminate or to gain access to memory state information that is related to the vulnerable application. The vulnerability is due to insufficient validation of values in Webex recording files that are stored in Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a malicious WRF file to a user as a link or email attachment and then persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to crash the affected software and view memory state information.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this Cisco Webex Player vulnerability?
The vulnerability ID for this Cisco Webex Player vulnerability is CVE-2021-1527.
What is the severity of CVE-2021-1527?
The severity of CVE-2021-1527 is medium with a severity value of 6.1.
How does this vulnerability affect Cisco Webex Player?
This vulnerability affects Cisco Webex Player for Windows and MacOS.
What can an attacker do with this vulnerability?
An attacker can cause the affected software to terminate or gain access to memory state information related to the vulnerable application.
How can I fix CVE-2021-1527?
To fix CVE-2021-1527, update Cisco Webex Player to version 41.5 or later.