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CVE-2021-28955

Estado: ModificadaCrítica (9.8)—

git-bug versiones anteriores a 0.7.2, presenta un Elemento de Ruta de Búsqueda No Controlada. Ejecutará git.bat desde el directorio actual en determinadas situaciones de PATH (visto con mayor frecuencia en Windows)

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)

Git-bug Project — Git-bug

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-28955",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "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"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-22T07:15:12.677",
  "references": [
    {
      "url": "https://github.com/MichaelMure/git-bug/security/advisories/GHSA-m898-h4pm-pqfr",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://vuln.ryotak.me/advisories/18",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/MichaelMure/git-bug/security/advisories/GHSA-m898-h4pm-pqfr",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://vuln.ryotak.me/advisories/18",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "git-bug before 0.7.2 has an Uncontrolled Search Path Element. It will execute git.bat from the current directory in certain PATH situations (most often seen on Windows)."
    },
    {
      "lang": "es",
      "value": "git-bug versiones anteriores a 0.7.2, presenta un Elemento de Ruta de Búsqueda No Controlada. Ejecutará git.bat desde el directorio actual en determinadas situaciones de PATH (visto con mayor frecuencia en Windows)"
    }
  ],
  "lastModified": "2026-06-17T03:47:04.483",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:git-bug_project:git-bug:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E539EF8E-1E7B-46C5-83A5-CB321963B37F",
              "versionEndExcluding": "0.7.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}