SQL Injection in Librenms
CVE-2020-36947
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.
Vulnerability class: SQL Injection
EPSS: 0.004 (32.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.
Affected products
- Librenms — versions 1.46
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2020-36947?
- CVE-2020-36947 is a high-severity vulnerability in Librenms, classified under SQL Injection. CVSS score: 7.1/10. Published 2026-01-27.
- How severe is CVE-2020-36947?
- High severity. CVSS v3 base score is 7.1 out of 10.