CVE-2025-70888

Estado: AnalizadaCrítica (9.8)—

An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.48%
Percentil entre todas las CVEs puntuadas: 40
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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1068 Exploitation for Privilege Escalationprivilege escalation80 %

CVSS AV:N sin UI:R ni PR requiere red sin autenticación (T1190). CWE-269 (escalada) y descripción explícita de privilege escalation sustentan T1068 como impacto post-explotación.

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

Application Isolation and Sandboxing Exploit Protection Update Software Vulnerability Scanning Threat Intelligence Program Privileged Account Management

Tecnologías afectadas (1)

Osslsigncode Project — Osslsigncode

CWE

CWE-269

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2025-70888",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-70888",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-28T01:21:58.634740Z"
        }
      }
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    "cvssMetricV31": [
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          "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"
            }
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      ]
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  ],
  "published": "2026-03-25T20:16:22.463",
  "references": [
    {
      "url": "https://github.com/mtrojnar/osslsigncode/issues/475",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/mtrojnar/osslsigncode/pull/477",
      "tags": [
        "Issue Tracking"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/ralphje/signify/issues/60",
      "tags": [
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        "Third Party Advisory"
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      "source": "cve@mitre.org"
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    {
      "lang": "en",
      "value": "An issue in mtrojnar Osslsigncode affected at v2.10 and before allows a remote attacker to escalate privileges via the osslsigncode.c component"
    },
    {
      "lang": "es",
      "value": "Un problema en mtrojnar Osslsigncode afectado en v2.10 y anteriores permite a un atacante remoto escalar privilegios a través del componente osslsigncode.c"
    }
  ],
  "lastModified": "2026-06-17T10:03:26.750",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:osslsigncode_project:osslsigncode:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "5E010F4C-F0A1-4F48-85EA-E1C2F74708ED",
              "versionEndIncluding": "2.10"
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  "sourceIdentifier": "cve@mitre.org"
}