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CVE-2021-39939

Estado: ModificadaMedia (6.5)—

Una vulnerabilidad de consumo no controlado de recursos en GitLab Runner afectando a todas las versiones a partir de 13.7 anteriores a 14.3.6, a todas las versiones a partir de 14.4 anteriores a 14.4.4, a todas las versiones a partir de 14.5 anteriores a 14.5.2, permite a un atacante que desencadena un trabajo con una imagen docker especialmente manipulada agotar los recursos del administrador de runner

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).

Tecnologías afectadas (1)

Gitlab — Gitlab

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-39939",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
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  "published": "2021-12-13T16:15:09.617",
  "references": [
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      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39939.json",
      "tags": [
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    {
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-400"
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  "descriptions": [
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      "value": "An uncontrolled resource consumption vulnerability in GitLab Runner affecting all versions starting from 13.7 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker triggering a job with a specially crafted docker image to exhaust resources on runner manager"
    },
    {
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      "value": "Una vulnerabilidad de consumo no controlado de recursos en GitLab Runner afectando a todas las versiones a partir de 13.7 anteriores a 14.3.6, a todas las versiones a partir de 14.4 anteriores a 14.4.4, a todas las versiones a partir de 14.5 anteriores a 14.5.2, permite a un atacante que desencadena un trabajo con una imagen docker especialmente manipulada agotar los recursos del administrador de runner"
    }
  ],
  "lastModified": "2026-06-17T04:04:27.853",
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