CVE-2019-12098
Estado: ModificadaAlta (7.4)—
In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Puntuación base: 7.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.97%
- Percentil entre todas las CVEs puntuadas: 80
- 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 (5)
CWE
- NVD-CWE-noinfo
- CWE-295
Referencias
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
- http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html
- https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf
- https://github.com/heimdal/heimdal/compare/3e58559...bbafe72
- https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/
- https://seclists.org/bugtraq/2019/Jun/1
- https://www.debian.org/security/2019/dsa-4455
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
- http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html
- https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf
- https://github.com/heimdal/heimdal/compare/3e58559...bbafe72
- https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/
- https://seclists.org/bugtraq/2019/Jun/1
- https://www.debian.org/security/2019/dsa-4455
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-12098",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2019-12098",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-04-15T20:49:17.967235Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 4.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.4,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.2,
"exploitabilityScore": 2.2
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.4,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.2,
"exploitabilityScore": 2.2
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2019-05-15T23:29:00.277",
"references": [
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/heimdal/heimdal/compare/3e58559...bbafe72",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/",
"source": "cve@mitre.org"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/",
"source": "cve@mitre.org"
},
{
"url": "https://seclists.org/bugtraq/2019/Jun/1",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.debian.org/security/2019/dsa-4455",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/heimdal/heimdal/compare/3e58559...bbafe72",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://seclists.org/bugtraq/2019/Jun/1",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.debian.org/security/2019/dsa-4455",
"tags": [
"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"
}
]
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-295"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c."
},
{
"lang": "es",
"value": "En el lado del cliente de Heimdal anterior de la versión 7.6.0, el fallo en la comprobación anónima del intercambio de claves PKINIT PA-PKINIT-KX permite un ataque de tipo man-in-the-middle. Este problema está en krb5_init_creds_step en lib/krb5/init_creds_pw.c."
}
],
"lastModified": "2026-06-17T02:14:02.933",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB459E43-4BE7-4A64-A902-F0E235FE2AF5",
"versionEndExcluding": "7.6.0"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D83DA865-E4A6-4FBF-AA1B-A969EBA6B2AD"
},
{
"criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "40513095-7E6E-46B3-B604-C926F1BA3568"
},
{
"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9"
},
{
"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"
},
{
"criteria": "cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5F65DAB0-3DAD-49FF-BC73-3581CC3D5BF3"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}