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CVE-2025-30066

Estado: AnalizadaAlta (8.6)⚠ Explotación activa

tj-actions changed-files before 46 allows remote attackers to discover secrets by reading actions logs. (The tags v1 through v45.0.7 were affected on 2025-03-14 and 2025-03-15 because they were modified by a threat actor to point at commit 0e58ed8, which contained malicious updateFeatures code.)

CVSS

Probabilidad de explotación (EPSS)

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

🎯 Técnicas ATT&CK

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

AV:N sin privilegios permite explotación remota de aplicación expuesta (T1190). La lectura de secretos en logs de acciones constituye descubrimiento de credenciales almacenadas (T1552.007).

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

Privileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkVulnerability ScanningUser Account ManagementFilter Network Traffic

Tecnologías afectadas (1)

Tj-actions — Changed-files

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-30066",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-30066",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-03-22T03:55:44.803134Z"
        }
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    ],
    "cvssMetricV31": [
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          "version": "3.1",
          "baseScore": 8.6,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 3.9
      },
      {
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 3.9
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              "version": "1",
              "lessThan": "46",
              "versionType": "custom"
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  "published": "2025-03-15T06:15:12.193",
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      "tags": [
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      "url": "https://github.com/modal-labs/modal-examples/issues/1100",
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    {
      "url": "https://github.com/rackerlabs/genestack/pull/903",
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    {
      "url": "https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28",
      "tags": [
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    {
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    },
    {
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      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/",
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        "Third Party Advisory"
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    {
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      "tags": [
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    },
    {
      "url": "https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised",
      "tags": [
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    },
    {
      "url": "https://www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066",
      "tags": [
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@mitre.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-506"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "tj-actions changed-files before 46 allows remote attackers to discover secrets by reading actions logs. (The tags v1 through v45.0.7 were affected on 2025-03-14 and 2025-03-15 because they were modified by a threat actor to point at commit 0e58ed8, which contained malicious updateFeatures code.)"
    },
    {
      "lang": "es",
      "value": "Los archivos modificados de tj-actions anteriores a la versión 46 permiten a atacantes remotos descubrir secretos leyendo los registros de acciones. (Las etiquetas v1 a v45.0.7 se vieron afectadas el 14 y el 15 de marzo de 2025 porque fueron modificadas por un actor de amenazas para apuntar a el commit 0e58ed8, que contenía código malicioso de updateFeatures)."
    }
  ],
  "lastModified": "2026-09-24T13:10:00.320",
  "cisaActionDue": "2025-04-08",
  "cisaExploitAdd": "2025-03-18",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tj-actions:changed-files:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "23B2BE4B-AC69-4088-9ABD-ACDB46ABAA9A",
              "versionEndIncluding": "45.0.7"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "cisaRequiredAction": "Apply mitigations as set forth in the CISA instructions linked below. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability"
}