cisco webex-meetings-desktop CVE-2021-1536 vulnerability in Cisco Products
Published on June 4, 2021

Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability
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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2021-1536 is exploitable with local system access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
LOW

Weakness Type

What is a DLL preloading Vulnerability?

The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.

CVE-2021-1536 has been classified to as a DLL preloading vulnerability or weakness.


Products Associated with CVE-2021-1536

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Affected Versions

Cisco Webex Teams Version n/a is affected by CVE-2021-1536

Exploit Probability

EPSS
0.07%
Percentile
20.04%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.