CVE-2020-36947 HIGH

CVE-2020-36947: LibreNMS 1.46 - MAC Accounting Graph Authenticated SQL Injection

Vendor Librenms
Product LibreNMS
Weakness CWE-89 · SQLi
Published January 27, 2026
Last update March 5, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

LibreNMS 1.46 contains an authenticated SQL injection vulnerability in the MAC accounting graph endpoint that allows remote attackers to extract database information. Attackers can exploit the vulnerability by manipulating the 'sort' parameter with crafted SQL injection techniques to retrieve sensitive database contents through time-based blind SQL injection.

Key dates

02Disclosure timeline

January 27, 2026 CVE published
March 5, 2026 Record updated