Vulnerability-Lookup

CVE-2020-13300 (GCVE-0-2020-13300)

Vulnerability from cvelistv5 – Published: 2020-09-14 18:34 – Updated: 2024-08-04 12:11

Summary

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

Severity

8 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

CWE

Improper authorization in GitLab

Assigner

GitLab mitre root Scorecard

References

3 references

URL	Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/219931	x_refsource_MISC
https://hackerone.com/reports/884766	x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version	CPE status
GitLab	GitLab	Affected: >=13.3, <13.3.4	guessed

Credits

Thanks [fushbey](https://hackerone.com/fushbey) for reporting this vulnerability through our HackerOne bug bounty program

Show details on NVD website

JSON

To clipboard

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}

bit-gitlab-2020-13300

Vulnerability from bitnami_vulndb

Published

2024-03-06 11:22

Modified

2026-09-08 08:34

Summary

Details

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "gitlab",
        "purl": "pkg:bitnami/gitlab"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "13.3.0"
            },
            {
              "fixed": "13.3.4"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-13300"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
      "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
      "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
    ],
    "severity": "Critical"
  },
  "details": "GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.",
  "id": "BIT-gitlab-2020-13300",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2024-03-06T11:22:36.290Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219931"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackerone.com/reports/884766"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13300"
    }
  ],
  "schema_version": "1.5.0"
}

CNVD-2020-51538

Vulnerability from cnvd - Published: 2020-09-11

Title

GitLab权限提升漏洞（CNVD-2020-51538）

Description

GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab 13.3版本及更高版本存在权限提升漏洞，该漏洞源于错误的程序对高级本地过程的调用。攻击者可利用该漏洞更改OAuth授权。

Severity

高

Patch Name

GitLab权限提升漏洞（CNVD-2020-51538）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.auscert.org.au/bulletins/ESB-2020.3028/

Reference

https://www.auscert.org.au/bulletins/ESB-2020.3028/

Impacted products

Name
GitLab GitLab >=13.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13300",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-13300"
    }
  },
  "description": "GitLab\u662f\u7f8e\u56fdGitLab\u516c\u53f8\u7684\u4e00\u6b3e\u4f7f\u7528Ruby on Rails\u5f00\u53d1\u7684\u3001\u81ea\u6258\u7ba1\u7684\u3001Git\uff08\u7248\u672c\u63a7\u5236\u7cfb\u7edf\uff09\u9879\u76ee\u4ed3\u5e93\u5e94\u7528\u7a0b\u5e8f\u3002\u8be5\u7a0b\u5e8f\u53ef\u7528\u4e8e\u67e5\u9605\u9879\u76ee\u7684\u6587\u4ef6\u5185\u5bb9\u3001\u63d0\u4ea4\u5386\u53f2\u3001Bug\u5217\u8868\u7b49\u3002\n\nGitLab 13.3\u7248\u672c\u53ca\u66f4\u9ad8\u7248\u672c\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u7684\u7a0b\u5e8f\u5bf9\u9ad8\u7ea7\u672c\u5730\u8fc7\u7a0b\u7684\u8c03\u7528\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66f4\u6539OAuth\u6388\u6743\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.auscert.org.au/bulletins/ESB-2020.3028/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-51538",
  "openTime": "2020-09-11",
  "patchDescription": "GitLab\u662f\u7f8e\u56fdGitLab\u516c\u53f8\u7684\u4e00\u6b3e\u4f7f\u7528Ruby on Rails\u5f00\u53d1\u7684\u3001\u81ea\u6258\u7ba1\u7684\u3001Git\uff08\u7248\u672c\u63a7\u5236\u7cfb\u7edf\uff09\u9879\u76ee\u4ed3\u5e93\u5e94\u7528\u7a0b\u5e8f\u3002\u8be5\u7a0b\u5e8f\u53ef\u7528\u4e8e\u67e5\u9605\u9879\u76ee\u7684\u6587\u4ef6\u5185\u5bb9\u3001\u63d0\u4ea4\u5386\u53f2\u3001Bug\u5217\u8868\u7b49\u3002\r\n\r\nGitLab 13.3\u7248\u672c\u53ca\u66f4\u9ad8\u7248\u672c\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u7684\u7a0b\u5e8f\u5bf9\u9ad8\u7ea7\u672c\u5730\u8fc7\u7a0b\u7684\u8c03\u7528\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66f4\u6539OAuth\u6388\u6743\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "GitLab\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2020-51538\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "GitLab GitLab \u003e=13.3"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2020.3028/",
  "serverity": "\u9ad8",
  "submitTime": "2020-09-04",
  "title": "GitLab\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2020-51538\uff09"
}

FKIE_CVE-2020-13300

Vulnerability from fkie_nvd - Published: 2020-09-14 19:15 - Updated: 2026-06-17 02:52

Severity

8.0 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Summary

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

References

URL	Tags
cve@gitlab.com	https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json	Vendor Advisory
cve@gitlab.com	https://gitlab.com/gitlab-org/gitlab/-/issues/219931	Broken Link
cve@gitlab.com	https://hackerone.com/reports/884766	Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://gitlab.com/gitlab-org/gitlab/-/issues/219931	Broken Link
af854a3a-2127-422b-91ae-364da2661108	https://hackerone.com/reports/884766	Permissions Required, Third Party Advisory

Impacted products

	Vendor	Product	Version
	gitlab	gitlab	*
	gitlab	gitlab	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "GitLab",
          "vendor": "GitLab",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e=13.3, \u003c13.3.4"
            }
          ]
        }
      ],
      "source": "cve@gitlab.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "matchCriteriaId": "CE11E630-53C8-43AF-9F81-EA4AD52D8241",
              "versionEndExcluding": "13.3.4",
              "versionStartIncluding": "13.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "5044D423-9351-4840-BAD4-43EFB42FC527",
              "versionEndExcluding": "13.3.4",
              "versionStartIncluding": "13.3.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow."
    },
    {
      "lang": "es",
      "value": "La versi\u00f3n 13.3 de GitLab CE/EE anterior a la 13.3.4 era vulnerable a un cambio de \u00e1mbito de autorizaci\u00f3n OAuth sin el consentimiento del usuario en medio del flujo de autorizaci\u00f3n"
    }
  ],
  "id": "CVE-2020-13300",
  "lastModified": "2026-06-17T02:52:54.767",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.8,
        "source": "cve@gitlab.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.8,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-09-14T19:15:10.957",
  "references": [
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json"
    },
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219931"
    },
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Permissions Required",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/884766"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219931"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Permissions Required",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/884766"
    }
  ],
  "sourceIdentifier": "cve@gitlab.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-69VX-F9HQ-XC87

Vulnerability from github – Published: 2022-05-24 17:28 – Updated: 2022-07-02 00:00

Details

GitLab before version 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

Severity

10.0 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2020-13300"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-09-14T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "GitLab before version 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.",
  "id": "GHSA-69vx-f9hq-xc87",
  "modified": "2022-07-02T00:00:21Z",
  "published": "2022-05-24T17:28:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13300"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/884766"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219931"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2020-13300

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

Aliases

CVE-2020-13300

Aliases

CVE-2020-13300

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2020-13300",
    "description": "GitLab before version 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.",
    "id": "GSD-2020-13300"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-13300"
      ],
      "details": "GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.",
      "id": "GSD-2020-13300",
      "modified": "2023-12-13T01:21:47.136783Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@gitlab.com",
        "ID": "CVE-2020-13300",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "GitLab",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003e=13.3, \u003c13.3.4"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "GitLab"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Thanks [fushbey](https://hackerone.com/fushbey) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Improper authorization in GitLab"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/219931",
            "refsource": "MISC",
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219931"
          },
          {
            "name": "https://hackerone.com/reports/884766",
            "refsource": "MISC",
            "url": "https://hackerone.com/reports/884766"
          },
          {
            "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json",
            "refsource": "CONFIRM",
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "13.3.4",
                "versionStartIncluding": "13.3.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "13.3.4",
                "versionStartIncluding": "13.3.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-863"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/219931",
              "refsource": "MISC",
              "tags": [
                "Broken Link"
              ],
              "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219931"
            },
            {
              "name": "https://hackerone.com/reports/884766",
              "refsource": "MISC",
              "tags": [
                "Permissions Required",
                "Third Party Advisory"
              ],
              "url": "https://hackerone.com/reports/884766"
            },
            {
              "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 10.0,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.8
        }
      },
      "lastModifiedDate": "2023-02-03T18:53Z",
      "publishedDate": "2020-09-14T19:15Z"
    }
  }
}

UBUNTU-CVE-2020-13300 (CVE-2020-13300)

Vulnerability from osv_ubuntu – Published: 2020-09-14 19:15 – Updated: 2025-10-24 04:48 – Source website

Details

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

Severity

10.0 (Critical)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

8.0 (High)


                    
                      CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2020-13300	REPORT
	https://about.gitlab.com/releases/2020/09/02/secu…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2020-13300	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gitlab",
            "binary_version": "8.5.8+dfsg-5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "gitlab",
        "purl": "pkg:deb/ubuntu/gitlab@8.5.8+dfsg-5?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.4.3+dfsg-9",
        "8.4.3+dfsg-12",
        "8.5.8+dfsg-5"
      ]
    }
  ],
  "aliases": [],
  "details": "GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.",
  "id": "UBUNTU-CVE-2020-13300",
  "modified": "2025-10-24T04:48:30Z",
  "published": "2020-09-14T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-13300"
    },
    {
      "type": "REPORT",
      "url": "https://about.gitlab.com/releases/2020/09/02/security-release-gitlab-13-3-3-released/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-13300"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-13300"
  ]
}

WID-SEC-W-2025-1087

Vulnerability from csaf_certbund - Published: 2020-09-02 22:00 - Updated: 2025-05-18 22:00

Summary

GitLab: Mehrere Schwachstellen

Severity

Hoch

Scope

27 vulnerabilities in this advisory, including CVE-2020-13300.

CVE-2020-13300

Known affected: 5 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2020-13300 (GCVE-0-2020-13300)

bit-gitlab-2020-13300

Vulnerability from bitnami_vulndb

CNVD-2020-51538

FKIE_CVE-2020-13300

GHSA-69VX-F9HQ-XC87

GSD-2020-13300

UBUNTU-CVE-2020-13300 (CVE-2020-13300)

WID-SEC-W-2025-1087

Tags

Sightings

Nomenclature

Related by attack behaviour