CVE-2025-63929
A null pointer dereference vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). When multiple threads enqueue elements concurrently via IEC10X_PrioEnQueue, the function may dereference a null or freed queue pointer, resulting in a segmentation fault and potential denial-of-service.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.35%
- Percentil entre todas las CVEs puntuadas: 26
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access75 % - Impacto principal
T1499.004Application or System Exploitationimpact85 %
Vector CVSS AV:N/AC:L/PR:N sin UI sugiere T1190. CWE-476 (null pointer dereference) en función de cola multi-hilo causa segfault → DoS por crash de aplicación (T1499.004).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
CWE
- CWE-476
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-63929",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-63929",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-11-13T16:08:14.870069Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2025-11-12T19:15:37.890",
"references": [
{
"url": "https://github.com/airpig2011/IEC104/issues/21",
"tags": [
"Exploit",
"Issue Tracking"
],
"source": "cve@mitre.org"
},
{
"url": "https://songsong.host/mybugs/CVE-2025-63929.html",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "cve@mitre.org"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A null pointer dereference vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). When multiple threads enqueue elements concurrently via IEC10X_PrioEnQueue, the function may dereference a null or freed queue pointer, resulting in a segmentation fault and potential denial-of-service."
}
],
"lastModified": "2026-06-17T09:53:40.813",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:airpig2011:iec104:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "60BCC559-A4AB-44D5-8297-727AD7226919",
"versionEndIncluding": "2019-07-08"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}