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CVE-2021-28955

Status: ModifiedCritical (9.8)—

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).

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Git-bug Project — Git-bug

CWEs

References

Raw JSON (NVD)

Show
{
  "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"
}