CVE-2021-22862

{"containers": {"cna": {"affected": [{"product": "GitHub Enterprise Server", "vendor": "GitHub", "versions": [{"lessThan": "3.0.1", "status": "affected", "version": "3.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Teddy Katz"}], "descriptions": [{"lang": "en", "value": "An improper access control vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with the ability to fork a repository to disclose Actions secrets for the parent repository of the fork. This vulnerability existed due to a flaw that allowed the base reference of a pull request to be updated to point to an arbitrary SHA or another pull request outside of the fork repository. By establishing this incorrect reference in a PR, the restrictions that limit the Actions secrets sent a workflow from forks could be bypassed. This vulnerability affected GitHub Enterprise Server version 3.0.0, 3.0.0.rc2, and 3.0.0.rc1. This vulnerability was reported via the GitHub Bug Bounty program."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-285", "description": "CWE-285: Improper Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-03-03T03:25:22.000Z", "orgId": "82327ea3-741d-41e4-88f8-2cf9e791e760", "shortName": "GitHub_P"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.1"}], "source": {"discovery": "EXTERNAL"}, "title": "Improper access control in GitHub Enterprise Server leading to the disclosure of Actions secrets to forks", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "product-cna@github.com", "ID": "CVE-2021-22862", "STATE": "PUBLIC", "TITLE": "Improper access control in GitHub Enterprise Server leading to the disclosure of Actions secrets to forks"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GitHub Enterprise Server", "version": {"version_data": [{"version_affected": "<", "version_name": "3.0", "version_value": "3.0.1"}]}}]}, "vendor_name": "GitHub"}]}}, "credit": [{"lang": "eng", "value": "Teddy Katz"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An improper access control vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with the ability to fork a repository to disclose Actions secrets for the parent repository of the fork. This vulnerability existed due to a flaw that allowed the base reference of a pull request to be updated to point to an arbitrary SHA or another pull request outside of the fork repository. By establishing this incorrect reference in a PR, the restrictions that limit the Actions secrets sent a workflow from forks could be bypassed. This vulnerability affected GitHub Enterprise Server version 3.0.0, 3.0.0.rc2, and 3.0.0.rc1. This vulnerability was reported via the GitHub Bug Bounty program."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-285: Improper Authorization"}]}]}, "references": {"reference_data": [{"name": "https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.1", "refsource": "MISC", "url": "https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.1"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:51:07.479Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.1"}]}]}, "cveMetadata": {"assignerOrgId": "82327ea3-741d-41e4-88f8-2cf9e791e760", "assignerShortName": "GitHub_P", "cveId": "CVE-2021-22862", "datePublished": "2021-03-03T03:25:22.000Z", "dateReserved": "2021-01-06T00:00:00.000Z", "dateUpdated": "2024-08-03T18:51:07.479Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "GitHub Enterprise Server", "vendor": "GitHub", "versions": [{"lessThan": "3.0.1", "status": "affected", "version": "3.0", "versionType": "custom"}]}], "source": "product-cna@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:github:github:3.0.0:-:*:*:*:*:*:*", "matchCriteriaId": "61ABB5BF-C578-403B-8EF9-A28274F486FF", "vulnerable": true}, {"criteria": "cpe:2.3:a:github:github:3.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "634A0A6C-0F17-4DE2-B2D1-C3B0C5C8EDD6", "vulnerable": true}, {"criteria": "cpe:2.3:a:github:github:3.0.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "0FA74C51-5AB4-4B23-B24B-5629736B17E1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper access control vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with the ability to fork a repository to disclose Actions secrets for the parent repository of the fork. This vulnerability existed due to a flaw that allowed the base reference of a pull request to be updated to point to an arbitrary SHA or another pull request outside of the fork repository. By establishing this incorrect reference in a PR, the restrictions that limit the Actions secrets sent a workflow from forks could be bypassed. This vulnerability affected GitHub Enterprise Server version 3.0.0, 3.0.0.rc2, and 3.0.0.rc1. This vulnerability was reported via the GitHub Bug Bounty program."}, {"lang": "es", "value": "Se identific\u00f3 una vulnerabilidad de control de acceso inadecuada en GitHub Enterprise Server que permit\u00eda a un usuario autenticado con la capacidad de bifurcar un repositorio revelar los secretos de las acciones para el repositorio padre de la bifurcaci\u00f3n. Esta vulnerabilidad exist\u00eda debido a un fallo que permit\u00eda actualizar la referencia base de un pull request para que apuntara a un SHA arbitrario o a otro pull request fuera del repositorio fork. Al establecer esta referencia incorrecta en un PR, las restricciones que limitan las Acciones secretas enviadas a un flujo de trabajo desde los forks pod\u00edan ser eludidas. Esta vulnerabilidad afectaba a las versiones 3.0.0, 3.0.0.rc2 y 3.0.0.rc1 de GitHub Enterprise Server. Esta vulnerabilidad fue reportada a trav\u00e9s del programa GitHub Bug Bounty"}], "id": "CVE-2021-22862", "lastModified": "2026-06-17T03:37:54.070", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-03T04:15:13.163", "references": [{"source": "product-cna@github.com", "url": "https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://docs.github.com/en/enterprise-server%403.0/admin/release-notes#3.0.1"}], "sourceIdentifier": "product-cna@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "product-cna@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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