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TI-2020-12496 Aliases CVE-2020-15877GHSA-3c33-3465-fhx2

An issue was discovered in LibreNMS before 1.65.1.

Priority MEDIUM 42CWE-668Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

EPSS 0.01918 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed librenms/librenms (Packagist): 1.65.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—librenms/librenms (Packagist)before 1.65.11.65.1Patch availableGHSA-3c33-3465-fhx2
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • librenms/librenms (Packagist) Vendor— Affected before 1.65.1 Fixed in 1.65.1 Patch available GHSA-3c33-3465-fhx2

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*before 1.65.1Vulnerablelibrenms
  • cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:* Versions before 1.65.1 Vulnerable ·librenms

Remediation

  • Fix · GHSA-3c33-3465-fhx2 librenms/librenms (Packagist) Fixed in 1.65.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-15877
  2. 2026-10-03 Alias added: GHSA-3c33-3465-fhx2

References

Exploit 1

Patch 2

Advisory 4

  • TI-2018-14479 LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the… CVSS 3.0CRITICAL 9.8
  • TI-2026-59134 LibreNMS before 26.8.0 Authentication Bypass via API Token Type Confusion CVSS 4.0CRITICAL 9.2
  • TI-2022-03735 Insufficient Session Expiration in librenms/librenms CVSS 3.1CRITICAL 9.8
  • TI-2022-03252 Deserialization of Untrusted Data in librenms/librenms CVSS 3.1HIGH 8.8
  • TI-2026-05445 OS command injection in librenms CVSS 4.0HIGH 8.5
  • TI-2024-34235 LibreNMS before 24.10.0 allows a remote attacker to execute arbitrary code via OS command… CVSS 3.1CRITICAL 9.1
See all 105 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences