Cisco Unified CM UI XSS: Authenticated Remote Attack
CVE-2020-3420 Published on November 18, 2024

Cisco Unified Communications Manager Stored Cross-Site Scripting Vulnerability
A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by inserting malicious data into a specific data field in the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive browser-based information.There are no workarounds that address this vulnerability.

NVD

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2020-3420 has been classified to as a XSS vulnerability or weakness.


Products Associated with CVE-2020-3420

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2020-3420 are published in Cisco Unified Communications Manager:

Cisco Unified Communications Manager
 

Affected Versions

Cisco Unified Communications Manager Version N/A is affected by CVE-2020-3420

Exploit Probability

EPSS
0.09%
Percentile
26.37%

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.