CVE-2020-0601

Estado: AnalizadaAlta (8.1)⚠ Explotación activa

A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka 'Windows CryptoAPI Spoofing Vulnerability'.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Puntuación base: 8.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 89%
Percentil entre todas las CVEs puntuadas: 100
Fecha de la puntuación: 30/9/2026

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).

CISA KEV — explotada activamente

Añadida al catálogo: 3/11/2021
Plazo de remediación: 3/5/2022
Uso conocido en ransomware: Unknown

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1203 Exploitation for Client Executionexecution85 %
Impacto principalT1036.001 Invalid Code Signaturestealth90 %
Impacto secundarioT1553.006 Code Signing Policy Modificationdefense impairment85 %

Exploit cliente (UI:R) mediante certificado falso para suplantar ejecutables legítimos; la vulnerabilidad CryptoAPI permite validar falsamente certificados ECC, haciendo que malware parezca de fuente confiable.

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

Restrict Registry Permissions Privileged Account Management Code Signing Boot Integrity Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (13)

Golang — GO Microsoft — Windows 10 1507 Microsoft — Windows 10 1607 Microsoft — Windows 10 1709 Microsoft — Windows 10 1803 Microsoft — Windows 10 1809 Microsoft — Windows 10 1903 Microsoft — Windows 10 1909 Microsoft — Windows Server 1803 Microsoft — Windows Server 1903 Microsoft — Windows Server 1909 Microsoft — Windows Server 2016 Microsoft — Windows Server 2019

CWE

CWE-295
CWE-295

Referencias

JSON original (NVD)

Mostrar

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