CVE-2022-3515
Estado: ModificadaCrítica (9.8)—
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.65%
- Percentil entre todas las CVEs puntuadas: 76
- Fecha de la puntuación: 4/10/2026
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 (4)
CWE
- CWE-190
- CWE-190
Referencias
- https://access.redhat.com/security/cve/CVE-2022-3515
- https://bugzilla.redhat.com/show_bug.cgi?id=2135610
- https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b
- https://security.netapp.com/advisory/ntap-20230706-0008/
- https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html
- https://access.redhat.com/security/cve/CVE-2022-3515
- https://bugzilla.redhat.com/show_bug.cgi?id=2135610
- https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b
- https://security.netapp.com/advisory/ntap-20230706-0008/
- https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-3515",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2022-3515",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-04-08T15:48:11.884238Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "secalert@redhat.com",
"affectedData": [
{
"vendor": "n/a",
"product": "libksba",
"versions": [
{
"status": "affected",
"version": "Fixed in libksba v1.6.2"
}
]
}
]
}
],
"published": "2023-01-12T15:15:10.187",
"references": [
{
"url": "https://access.redhat.com/security/cve/CVE-2022-3515",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2135610",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b",
"tags": [
"Exploit",
"Patch",
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://security.netapp.com/advisory/ntap-20230706-0008/",
"source": "secalert@redhat.com"
},
{
"url": "https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html",
"tags": [
"Third Party Advisory"
],
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2022-3515",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2135610",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b",
"tags": [
"Exploit",
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.netapp.com/advisory/ntap-20230706-0008/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "secalert@redhat.com",
"description": [
{
"lang": "en",
"value": "CWE-190"
}
]
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-190"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment."
},
{
"lang": "es",
"value": "Se encontró una vulnerabilidad en la librería Libksba debido a un desbordamiento de enteros dentro del analizador CRL. La vulnerabilidad se puede explotar de forma remota para la ejecución de código en el sistema de destino pasando datos especialmente manipulados a la aplicación, por ejemplo, un archivo adjunto S/MIME malicioso."
}
],
"lastModified": "2026-06-17T04:59:40.283",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "05058020-26A0-4F46-9F30-F1CEF4AC330C",
"versionEndExcluding": "1.6.3"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gpg4win:gpg4win:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FAB814C2-FA25-47AD-A418-2A47CC58CBE8",
"versionEndExcluding": "4.1.0",
"versionStartIncluding": "2.0.0"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gnupg:vs-desktop:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "63B1EC90-FBD7-48D7-8EE8-86D831CE94F6",
"versionEndExcluding": "3.1.26",
"versionStartIncluding": "3.1.16"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gnupg:gnupg:*:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "87E3E8C5-03AE-46A0-B0DA-4E9C3BFA3E44",
"versionEndExcluding": "2.2.41",
"versionStartIncluding": "2.1.0"
},
{
"criteria": "cpe:2.3:a:gnupg:gnupg:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F52C07A1-3B7F-4A65-B03D-E8BDFF469B0C",
"versionEndExcluding": "2.4.0",
"versionStartIncluding": "2.3.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secalert@redhat.com"
}