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CVE-2025-5101

Estado: AnalizadaMedia (5)—

An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports.

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-2025-5101",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-5101",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-27T19:53:27.843157Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4,
        "exploitabilityScore": 0.6
      }
    ]
  },
  "affected": [
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      "source": "cve@gitlab.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "product": "GitLab",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "18.1.5",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "18.2",
              "lessThan": "18.2.5",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "18.3",
              "lessThan": "18.3.1",
              "versionType": "semver"
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          ],
          "defaultStatus": "unaffected"
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  "published": "2025-08-27T20:15:34.303",
  "references": [
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/545165",
      "tags": [
        "Broken Link"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://hackerone.com/reports/3124199",
      "tags": [
        "Permissions Required"
      ],
      "source": "cve@gitlab.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@gitlab.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones anteriores a la 18.1.5, 18.2 anteriores a la 18.2.5 y 18.3 anteriores a la 18.3.1 que, en determinadas condiciones, podría haber permitido a un atacante autenticado distribuir código malicioso que parece inofensivo en la interfaz web aprovechando la ambigüedad entre ramas y etiquetas durante las importaciones del repositorio."
    }
  ],
  "lastModified": "2026-06-17T09:47:11.977",
  "configurations": [
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      "nodes": [
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          "negate": false,
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              "versionEndExcluding": "18.1.5"
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              "versionEndExcluding": "18.1.5"
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}