CVE-2021-1502 : Vulnerability Insights and Analysis
Explore the details of CVE-2021-1502, a high-severity vulnerability in Cisco Webex Network Recording Player and Webex Player for Windows and MacOS, allowing arbitrary code execution by attackers.
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. The vulnerability arises from insufficient validation of values within Webex recording files formatted as either Advanced Recording Format (ARF) or Webex Recording Format (WRF). An attacker could exploit the vulnerability by sending a user a malicious file through a link or email attachment and persuading the user to open it. Successful exploitation could lead to the execution of arbitrary code on the affected system as the targeted user.
Understanding CVE-2021-1502
This section delves into the details of the vulnerability in Cisco Webex Network Recording Player and Webex Player.
What is CVE-2021-1502?
The vulnerability in Cisco Webex Network Recording Player and Webex Player could permit an attacker to run arbitrary code on an impacted system due to inadequate validation of values in Webex recording files.
The Impact of CVE-2021-1502
Exploiting this vulnerability could result in the execution of arbitrary code on the affected system with the targeted user's privileges.
Technical Details of CVE-2021-1502
This section outlines the technical aspects of CVE-2021-1502.
Vulnerability Description
The vulnerability allows attackers to execute arbitrary code on the affected system by exploiting insufficient validation in Webex recording files.
Affected Systems and Versions
Cisco Webex Network Recording Player and Webex Player for Windows and MacOS are affected by this vulnerability across various versions.
Exploitation Mechanism
Attackers can exploit this vulnerability by tricking users into opening a malicious file, ultimately leading to the execution of arbitrary code on the targeted system.
Mitigation and Prevention
Below are the key steps to mitigate the risks associated with CVE-2021-1502.
Immediate Steps to Take
Users should refrain from opening suspicious files or links and apply security patches promptly when available.
Long-Term Security Practices
Implementing a robust security policy, conducting regular security training, and enhancing email security measures can reduce the risk of such vulnerabilities.
Patching and Updates
Regularly update and patch Cisco Webex Network Recording Player and Webex Player to address known security issues and enhance system security.