LibreNMS 1.46 - MAC Accounting Graph Authenticated SQL Injection | Advisories

Advisories

LibreNMS 1.46 - MAC Accounting Graph Authenticated SQL Injection

severity: high
date: January 27, 2026
Affecting: LibreNMS 1.46
CVE: CVE-2020-36947
CWE: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS: 7.1
CVSS V4 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
References: ExploitDB-49246
LibreNMS Official Website
LibreNMS GitHub Repository
LibreNMS Community
Credit: Hodorsec
Description: 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.