CVE-2021-45417
Estado: ModificadaAlta (7.8)—
AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.49%
- Percentil entre todas las CVEs puntuadas: 40
- Fecha de la puntuación: 6/10/2026
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 (7)
CWE
- CWE-787
Referencias
- http://www.openwall.com/lists/oss-security/2022/01/20/3
- https://lists.debian.org/debian-lts-announce/2022/01/msg00024.html
- https://security.gentoo.org/glsa/202311-07
- https://www.debian.org/security/2022/dsa-5051
- https://www.ipi.fi/pipermail/aide/2022-January/001713.html
- https://www.openwall.com/lists/oss-security/2022/01/20/3
- http://www.openwall.com/lists/oss-security/2022/01/20/3
- https://lists.debian.org/debian-lts-announce/2022/01/msg00024.html
- https://security.gentoo.org/glsa/202311-07
- https://www.debian.org/security/2022/dsa-5051
- https://www.ipi.fi/pipermail/aide/2022-January/001713.html
- https://www.openwall.com/lists/oss-security/2022/01/20/3
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-45417",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.2,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/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": 1.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2022-01-20T18:15:07.640",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2022/01/20/3",
"tags": [
"Exploit",
"Mailing List",
"Mitigation",
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00024.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://security.gentoo.org/glsa/202311-07",
"source": "cve@mitre.org"
},
{
"url": "https://www.debian.org/security/2022/dsa-5051",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.ipi.fi/pipermail/aide/2022-January/001713.html",
"tags": [
"Exploit",
"Mailing List",
"Mitigation",
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.openwall.com/lists/oss-security/2022/01/20/3",
"tags": [
"Exploit",
"Mailing List",
"Mitigation",
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.openwall.com/lists/oss-security/2022/01/20/3",
"tags": [
"Exploit",
"Mailing List",
"Mitigation",
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00024.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.gentoo.org/glsa/202311-07",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.debian.org/security/2022/dsa-5051",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.ipi.fi/pipermail/aide/2022-January/001713.html",
"tags": [
"Exploit",
"Mailing List",
"Mitigation",
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.openwall.com/lists/oss-security/2022/01/20/3",
"tags": [
"Exploit",
"Mailing List",
"Mitigation",
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow."
},
{
"lang": "es",
"value": "AIDE versiones anteriores a 0.17.4, permite a usuarios locales obtener privilegios de root por medio de metadatos de archivo diseñados (como atributos extendidos de XFS o ACLs de tmpfs), debido a un desbordamiento de búfer en la región heap de la memoria"
}
],
"lastModified": "2026-06-17T04:13:20.993",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:advanced_intrusion_detection_environment_project:advanced_intrusion_detection_environment:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F326AA97-2E19-4061-A78F-23D0459B5878",
"versionEndIncluding": "0.17.3",
"versionStartIncluding": "0.13"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:ovirt-node:4.4.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C57948E0-99DF-40E4-B285-B0CE225EC45C"
},
{
"criteria": "cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BB28F9AF-3D06-4532-B397-96D7E4792503"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"vulnerable": true,
"matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:21.04:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8EF1C1CC-3FAE-4DE3-BC41-E5B14D5721F4"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AAE4D2D0-CEEB-416F-8BC5-A7987DF56190"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}