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CVE-2023-4532

Status: ModifiedMedium (4.3)—

An issue has been discovered in GitLab affecting all versions starting from 16.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. Users were capable of linking CI/CD jobs of private projects which they are not a member of.

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)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-4532",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-4532",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-07-24T14:37:07.802802Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "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": "16.2",
              "lessThan": "16.2.8",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "16.3",
              "lessThan": "16.3.5",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "16.4",
              "lessThan": "16.4.1",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:16.2:*:*:*:*:*:*:*"
          ],
          "vendor": "gitlab",
          "product": "gitlab",
          "versions": [
            {
              "status": "affected",
              "version": "16.2",
              "lessThan": "16.2.8",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:16.4:*:*:*:*:*:*:*"
          ],
          "vendor": "gitlab",
          "product": "gitlab",
          "versions": [
            {
              "status": "affected",
              "version": "16.4",
              "lessThan": "16.4.1",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:16.3:*:*:*:*:*:*:*"
          ],
          "vendor": "gitlab",
          "product": "gitlab",
          "versions": [
            {
              "status": "affected",
              "version": "16.3",
              "lessThan": "16.3.5",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-09-29T07:15:14.200",
  "references": [
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/423357",
      "tags": [
        "Broken Link"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://hackerone.com/reports/2084199",
      "tags": [
        "Permissions Required"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/423357",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://hackerone.com/reports/2084199",
      "tags": [
        "Permissions Required"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@gitlab.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue has been discovered in GitLab affecting all versions starting from 16.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. Users were capable of linking CI/CD jobs of private projects which they are not a member of."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en GitLab que afecta a todas las versiones desde 16.2 anteriores a 16.2.8, todas las versiones desde 16.3 anteriores a 16.3.5, todas las versiones desde 16.4 anteriores a 16.4.1. Los usuarios pudieron vincular trabajos de CI/CD de proyectos privados de los que no son miembros."
    }
  ],
  "lastModified": "2026-06-17T06:38:01.800",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "168E0D83-64EF-4A48-8251-6AE3BDF006D8",
              "versionEndExcluding": "16.2.8",
              "versionStartIncluding": "16.2"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8215D0EC-C0BF-417C-8D70-7F1493A82BB1",
              "versionEndExcluding": "16.2.8",
              "versionStartIncluding": "16.2"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "50271B2B-7070-4ED0-AB68-65B99D44A68A",
              "versionEndExcluding": "16.3.5",
              "versionStartIncluding": "16.3.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CC5696C9-592A-4D50-B5BB-9A250DAB6589",
              "versionEndExcluding": "16.3.5",
              "versionStartIncluding": "16.3.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:16.4.0:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B5D4FDD1-7A68-4245-A4D5-842E4FD03FAE"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:16.4.0:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6696C987-61C1-462E-8A73-016F9902BC67"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@gitlab.com"
}