CVE-2021-31274 — MEDIUM (5.4)

Vulnerability 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 Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Librenms	Librenms	< 21.3.0

Related Weaknesses (CWE)

CWE-79

References

https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-iVendor Advisory
https://github.com/librenms/librenmsProductThird Party Advisory
https://github.com/librenms/librenms/pull/12739PatchThird Party Advisory
https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-iVendor Advisory
https://github.com/librenms/librenmsProductThird Party Advisory
https://github.com/librenms/librenms/pull/12739PatchThird Party Advisory

FAQ

What is CVE-2021-31274?

CVE-2021-31274 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 ge...

How severe is CVE-2021-31274?

CVE-2021-31274 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-31274?

Check the references section above for vendor advisories and patch information. Affected products include: Librenms Librenms.