CVE-2021-31274 Information

Description

In LibreNMS < 21.3.0 a stored XSS vulnerability was identified in the API Access page due to insufficient sanitization of the $api->description variable. As a result arbitrary Javascript code can get executed.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Reference

https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431 https://github.com/librenms/librenms https://github.com/librenms/librenms/pull/12739

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4