SQL Injection in librenms

HIGH 8.8CVE-2020-35700 · GHSA-h59f-p56g-g75v · Published 08/02/2021 · updated 17/06/2026

In short

CVE-2020-35700 is a HIGH (CVSS 8.8) vulnerability affecting librenms/librenms, librenms (librenms).
Chance of exploitation in the next 30 days (EPSS): 2.3%, higher than 83.6% of all vulnerabilities.
Fix: update to 21.1.0 or later.

Package	Affected versions	Patched versions
librenms/librenms Packagist	`< 21.1.0`	`21.1.0`
librenms librenms	`< 21.1.0`	`21.1.0`

Description

A second-order SQL injection issue in Widgets/TopDevicesController.php (aka the Top Devices dashboard widget) of LibreNMS before 21.1.0 allows remote authenticated attackers to execute arbitrary SQL commands via the sort_order parameter against the /ajax/form/widget-settings endpoint.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2020-35700 · ADVISORY
librenms/librenms · WEB
librenms/librenms#12422 · WEB
librenms/librenms · WEB
librenms/librenms release 21.1.0 · WEB
horizon3.ai/disclosures/librenms-second-order-sqli · WEB

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Package

Affected versions

Patched versions

librenms/librenms

Packagist

< 21.1.0

21.1.0

librenms

< 21.1.0

21.1.0

Description

NVD description

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