CVE-2024-39223
Estado: AplazadaCrítica (9.8)—
Gravedad9.8Crítica · CVSS 3.1
Probabilidad de explotación0.70 %mayor que el 52 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado
Una omisión de autenticación en el servicio SSH de gost v2.11.5 permite a los atacantes interceptar las comunicaciones configurando la función HostKeyCallback en ssh.InsecureIgnoreHostKey
CVSS
- Puntuación base
- 9.8
- Versión
- 3.1
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.70 %
- Percentil entre todas las CVEs puntuadas
- 52
- Fecha de la puntuación
- 21/10/2026
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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-639
Referencias
Mostrar las 6 referencias
- https://gist.github.com/nyxfqq/a7242170b1118e78436a62dee4e09e8a
- https://github.com/ginuerzh/gost/blob/729d0e70005607dc7c69fc1de62fd8fe21f85355/ssh.go#L229
- https://github.com/ginuerzh/gost/issues/1034
- https://gist.github.com/nyxfqq/a7242170b1118e78436a62dee4e09e8a
- https://github.com/ginuerzh/gost/blob/729d0e70005607dc7c69fc1de62fd8fe21f85355/ssh.go#L229
- https://github.com/ginuerzh/gost/issues/1034
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-39223",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-39223",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-07-08T18:55:58.646987Z"
}
}
],
"cvssMetricV31": [
{
"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": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:ginuerzh:gost:*:*:*:*:*:*:*:*"
],
"vendor": "ginuerzh",
"product": "gost",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "2.11.5"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-07-03T15:15:06.083",
"references": [
{
"url": "https://gist.github.com/nyxfqq/a7242170b1118e78436a62dee4e09e8a",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/ginuerzh/gost/blob/729d0e70005607dc7c69fc1de62fd8fe21f85355/ssh.go#L229",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/ginuerzh/gost/issues/1034",
"source": "cve@mitre.org"
},
{
"url": "https://gist.github.com/nyxfqq/a7242170b1118e78436a62dee4e09e8a",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/ginuerzh/gost/blob/729d0e70005607dc7c69fc1de62fd8fe21f85355/ssh.go#L229",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/ginuerzh/gost/issues/1034",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-639"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An authentication bypass in the SSH service of gost v2.11.5 allows attackers to intercept communications via setting the HostKeyCallback function to ssh.InsecureIgnoreHostKey"
},
{
"lang": "es",
"value": "Una omisión de autenticación en el servicio SSH de gost v2.11.5 permite a los atacantes interceptar las comunicaciones configurando la función HostKeyCallback en ssh.InsecureIgnoreHostKey"
}
],
"lastModified": "2026-06-17T07:41:32.690",
"sourceIdentifier": "cve@mitre.org"
}