CVE-2025-6547
Improper Input Validation vulnerability in pbkdf2 allows Signature Spoofing by Improper Validation.This issue affects pbkdf2: <=3.1.2.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 9.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.46%
- Percentil entre todas las CVEs puntuadas: 38
- Fecha de la puntuación: 5/10/2026
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
T1556Modify Authentication Processdefense impairment · persistence · credential access70 % - Impacto secundario
T1078Valid Accountsstealth · persistence · privilege escalation · initial access65 %
AV:N sin privilegios y CWE-20 (validación impropia) en pbkdf2 sugieren explotación remota (T1190). La vulnerabilidad permite falsificación de firmas, comprometiendo autenticación (T1556, T1078).
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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-20
Referencias
JSON original (NVD)
Mostrar
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{
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"id": "CVE-2025-6547",
"role": "CISA Coordinator",
"options": [
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"exploitation": "poc"
},
{
"automatable": "no"
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{
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"version": "2.0.3",
"timestamp": "2025-06-23T19:24:44.542249Z"
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"attackVector": "NETWORK",
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"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
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"userInteraction": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"versionType": "semver"
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"packageName": "pbkdf2",
"collectionURL": "https://npmjs.com/pbkdf2",
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"published": "2025-06-23T19:15:25.390",
"references": [
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"url": "https://github.com/browserify/pbkdf2/commit/e3102a8cd4830a3ac85cd0dd011cc002fdde33bb",
"source": "7ffcee3d-2c14-4c3e-b844-86c6a321a158"
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"url": "https://github.com/browserify/pbkdf2/security/advisories/GHSA-v62p-rq8g-8h59",
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"vulnStatus": "Deferred",
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"description": [
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"descriptions": [
{
"lang": "en",
"value": "Improper Input Validation vulnerability in pbkdf2 allows Signature Spoofing by Improper Validation.This issue affects pbkdf2: <=3.1.2."
},
{
"lang": "es",
"value": "La vulnerabilidad de validación de entrada incorrecta en pbkdf2 permite la suplantación de firma mediante una validación incorrecta. Este problema afecta a pbkdf2: <=3.1.2."
}
],
"lastModified": "2026-06-17T10:02:07.463",
"sourceIdentifier": "7ffcee3d-2c14-4c3e-b844-86c6a321a158"
}