What’s Vulnerable › Vulnerabilities

CVE-2020-15877

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-07-21 · updated 2026-06-17

Description

An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of "'guard' => 'admin'" instead of "'middleware' => ['can:admin']" in routes/web.php.

Affected products

• librenms: before 1.65.1 — fixed in 1.65.1

How to fix

Upgrade to a fixed version: librenms 1.65.1. Check the vendor advisory for mitigations.

References

• https://community.librenms.org/c/announcements
• https://github.com/librenms/librenms/commit/e5bb6d80bc308fc56b9a01ffb76c34159995353c
• https://github.com/librenms/librenms/compare/1.65...1.65.1
• https://github.com/librenms/librenms/pull/11915
• https://github.com/librenms/librenms/releases/tag/1.65.1
• https://shielder.it/blog
• https://community.librenms.org/c/announcements
• https://github.com/librenms/librenms/commit/e5bb6d80bc308fc56b9a01ffb76c34159995353c
• https://github.com/librenms/librenms/compare/1.65...1.65.1
• https://github.com/librenms/librenms/pull/11915
• https://github.com/librenms/librenms/releases/tag/1.65.1
• https://shielder.it/blog

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