CVE-2021-1536: Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability
First published: Fri Jun 04 2021(Updated: )
A vulnerability in Cisco Webex Meetings Desktop App for Windows, Cisco Webex Meetings Server, Cisco Webex Network Recording Player for Windows, and Cisco Webex Teams for Windows could allow an authenticated, local attacker to perform a DLL injection attack on an affected device. To exploit this vulnerability, the attacker must have valid credentials on the Windows system. This vulnerability is due to incorrect handling of directory paths at run time. An attacker could exploit this vulnerability by inserting a configuration file in a specific path in the system, which can cause a malicious DLL file to be loaded when the application starts. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of another user account.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Webex Meetings Desktop | ||
| Cisco Webex Meetings Online | ||
| Cisco WebEx Meetings Server | =4.0 | |
| Cisco Webex Network Recording Player | ||
| Cisco Webex Teams | =3.0.15485.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-1536?
The severity of CVE-2021-1536 is high.
Which software are affected by CVE-2021-1536?
CVE-2021-1536 affects Cisco Webex Meetings Desktop App for Windows, Cisco Webex Meetings Server, Cisco Webex Network Recording Player for Windows, and Cisco Webex Teams for Windows.
How can an attacker exploit CVE-2021-1536?
An attacker can exploit CVE-2021-1536 by performing a DLL injection attack on an affected device.
Is authentication required to exploit CVE-2021-1536?
Yes, authentication is required to exploit CVE-2021-1536.
Where can I find more information about CVE-2021-1536?
You can find more information about CVE-2021-1536 on the Cisco Security Advisory website.
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- canonical/cisco webex meetings desktop
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- version/cisco webex teams/3.0.15485.0