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CVE-2021-31863

Estado: ModificadaAlta (7.5)—

Una comprobación insuficiente de entrada en la integración del repositorio Git de Redmine versiones anteriores a 4.0.9, versiones 4.1.x anteriores a 4.1.3 y versiones 4.2.x anteriores a 4.2.1, permite a usuarios de Redmine leer archivos locales arbitrarios accesibles por el proceso del servidor de aplicaciones

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 (2)

Debian — Debian LinuxRedmine — Redmine

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-31863",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-28T07:15:07.583",
  "references": [
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00013.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.redmine.org/news/131",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.redmine.org/projects/redmine/wiki/Security_Advisories",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00013.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redmine.org/news/131",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redmine.org/projects/redmine/wiki/Security_Advisories",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient input validation in the Git repository integration of Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows Redmine users to read arbitrary local files accessible by the application server process."
    },
    {
      "lang": "es",
      "value": "Una comprobación insuficiente de entrada en la integración del repositorio Git de Redmine versiones anteriores a 4.0.9, versiones 4.1.x anteriores a 4.1.3 y versiones 4.2.x anteriores a 4.2.1, permite a usuarios de Redmine leer archivos locales arbitrarios accesibles por el proceso del servidor de aplicaciones"
    }
  ],
  "lastModified": "2026-06-17T03:52:22.030",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9945EED3-D23D-4055-9A7D-0FF5956B838E",
              "versionEndExcluding": "4.0.9"
            },
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              "criteria": "cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "80ACD361-2874-4B70-88F1-3999025D6192",
              "versionEndExcluding": "4.1.3",
              "versionStartIncluding": "4.1.0"
            },
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              "matchCriteriaId": "ECC28D7C-7E3E-406A-B0EC-41F58BA06981",
              "versionEndExcluding": "4.2.1",
              "versionStartIncluding": "4.2.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
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              "vulnerable": true,
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            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}