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CVE-2020-36947

Published: Jan 27, 2026

Modified: Mar 5, 2026

PUBLISHED

CVSS v3.1

7.1

HIGH

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.

Vendor	Product	Versions
LibreNMS	LibreNMS	affected `1.46`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

References

ExploitDB-49246

exploit

LibreNMS Official Website

product

LibreNMS GitHub Repository

product

LibreNMS Community

product

VulnCheck Advisory: LibreNMS 1.46 - MAC Accounting Graph Authenticated SQL Injection

third-party-advisory

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CVE-2020-36947 | HIGH (7.1) - Security Vulnerability | QwikSec