CVE-2020-15877
Estado: ModificadaAlta (8.8)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.92%
- Percentil entre todas las CVEs puntuadas: 79
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-noinfo
Referencias
- 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
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-15877",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2020-07-21T17:15:12.170",
"references": [
{
"url": "https://community.librenms.org/c/announcements",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/librenms/librenms/commit/e5bb6d80bc308fc56b9a01ffb76c34159995353c",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/librenms/librenms/compare/1.65...1.65.1",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/librenms/librenms/pull/11915",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/librenms/librenms/releases/tag/1.65.1",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://shielder.it/blog",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://community.librenms.org/c/announcements",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/librenms/librenms/commit/e5bb6d80bc308fc56b9a01ffb76c34159995353c",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/librenms/librenms/compare/1.65...1.65.1",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/librenms/librenms/pull/11915",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/librenms/librenms/releases/tag/1.65.1",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://shielder.it/blog",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Se detectó un problema en LibreNMS versiones anteriores a 1.65.1. Presenta un control de acceso insuficiente para usuarios normales debido a \"'guard' =) 'admin'\" en lugar de \"'middleware' =) ['can:admin']\" en el archivo routes/web.php"
}
],
"lastModified": "2026-06-17T02:57:20.140",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1CED68B9-4ACB-488A-B5B0-960E2FC81F44",
"versionEndExcluding": "1.65.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}