5.4 - CVE-2021-31274

Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.

Informations
Name	CVE-2021-31274	First vendor Publication	2021-09-08
Vendor	Cve	Last vendor Modification	2021-09-15

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Overall CVSS Score	5.4
Base Score	5.4	Environmental Score	5.4
impact SubScore	2.7	Temporal Score	5.4
Exploitabality Sub Score	2.3

Attack Vector	Network	Attack Complexity	Low
Privileges Required	Low	User Interaction	Required
Scope	Changed	Confidentiality Impact	Low
Integrity Impact	Low	Availability Impact	None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:S/C:N/I:P/A:N)
Cvss Base Score	3.5	Attack Range	Network
Cvss Impact Score	2.9	Attack Complexity	Medium
Cvss Expoit Score	6.8	Authentication	Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31274

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-79	Failure to Preserve Web Page Structure ('Cross-site Scripting') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

Type	Description	Count
Application	Librenms cpe:2.3:a:librenms:librenms:1.54:::::::* cpe:2.3:a:librenms:librenms:1.50.1:::::::* cpe:2.3:a:librenms:librenms:1.46:::::::* cpe:2.3:a:librenms:librenms::::::::	4

Sources (Detail)

Source	Url
MISC	https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xs... https://github.com/librenms/librenms https://github.com/librenms/librenms/pull/12739