CVE-2021-32662

{"containers": {"cna": {"affected": [{"product": "backstage", "vendor": "backstage", "versions": [{"status": "affected", "version": "< 0.6.3"}]}], "descriptions": [{"lang": "en", "value": "Backstage is an open platform for building developer portals, and techdocs-common contains common functionalities for Backstage's TechDocs. In `@backstage/techdocs-common` versions prior to 0.6.3, a malicious actor could read sensitive files from the environment where TechDocs documentation is built and published by setting a particular path for `docs_dir` in `mkdocs.yml`. These files would then be available over the TechDocs backend API. This vulnerability is mitigated by the fact that an attacker would need access to modify the `mkdocs.yml` in the documentation source code, and would also need access to the TechDocs backend API. The vulnerability is patched in the `0.6.3` release of `@backstage/techdocs-common`."}], "metrics": [{"cvssV3_1": {"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"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-03T22:00:12.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-pgf8-28gg-vpr6"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/commit/8cefadca04cbf01d0394b0cb1983247e5f1d6208"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/backstage/backstage/releases/tag/release-2021-05-27"}], "source": {"advisory": "GHSA-pgf8-28gg-vpr6", "discovery": "UNKNOWN"}, "title": "TechDocs mkdocs.yml path traversal", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-32662", "STATE": "PUBLIC", "TITLE": "TechDocs mkdocs.yml path traversal"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "backstage", "version": {"version_data": [{"version_value": "< 0.6.3"}]}}]}, "vendor_name": "backstage"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Backstage is an open platform for building developer portals, and techdocs-common contains common functionalities for Backstage's TechDocs. In `@backstage/techdocs-common` versions prior to 0.6.3, a malicious actor could read sensitive files from the environment where TechDocs documentation is built and published by setting a particular path for `docs_dir` in `mkdocs.yml`. These files would then be available over the TechDocs backend API. This vulnerability is mitigated by the fact that an attacker would need access to modify the `mkdocs.yml` in the documentation source code, and would also need access to the TechDocs backend API. The vulnerability is patched in the `0.6.3` release of `@backstage/techdocs-common`."}]}, "impact": {"cvss": {"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"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/backstage/backstage/security/advisories/GHSA-pgf8-28gg-vpr6", "refsource": "CONFIRM", "url": "https://github.com/backstage/backstage/security/advisories/GHSA-pgf8-28gg-vpr6"}, {"name": "https://github.com/backstage/backstage/commit/8cefadca04cbf01d0394b0cb1983247e5f1d6208", "refsource": "MISC", "url": "https://github.com/backstage/backstage/commit/8cefadca04cbf01d0394b0cb1983247e5f1d6208"}, {"name": "https://github.com/backstage/backstage/releases/tag/release-2021-05-27", "refsource": "MISC", "url": "https://github.com/backstage/backstage/releases/tag/release-2021-05-27"}]}, "source": {"advisory": "GHSA-pgf8-28gg-vpr6", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:25:31.046Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-pgf8-28gg-vpr6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/backstage/backstage/commit/8cefadca04cbf01d0394b0cb1983247e5f1d6208"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/backstage/backstage/releases/tag/release-2021-05-27"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-32662", "datePublished": "2021-06-03T22:00:12.000Z", "dateReserved": "2021-05-12T00:00:00.000Z", "dateUpdated": "2024-08-03T23:25:31.046Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "backstage", "vendor": "backstage", "versions": [{"status": "affected", "version": "< 0.6.3"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*", "matchCriteriaId": "97C5976D-579C-49E3-943E-5758233CF918", "versionEndExcluding": "0.6.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Backstage is an open platform for building developer portals, and techdocs-common contains common functionalities for Backstage's TechDocs. In `@backstage/techdocs-common` versions prior to 0.6.3, a malicious actor could read sensitive files from the environment where TechDocs documentation is built and published by setting a particular path for `docs_dir` in `mkdocs.yml`. These files would then be available over the TechDocs backend API. This vulnerability is mitigated by the fact that an attacker would need access to modify the `mkdocs.yml` in the documentation source code, and would also need access to the TechDocs backend API. The vulnerability is patched in the `0.6.3` release of `@backstage/techdocs-common`."}, {"lang": "es", "value": "Backstage es una plataforma abierta para construir portales para desarrolladores, y la funci\u00f3n techdocs-common contiene funcionalidades comunes para los TechDocs de Backstage. En \"@backstage/techdocs-common\" versiones anteriores a 0.6.3, un actor malicioso pod\u00eda leer archivos confidenciales del entorno donde se construye y publica la documentaci\u00f3n de TechDocs ajustando una ruta particular para la funci\u00f3n \"docs_dir\" en el archivo \"mkdocs.yml\". Estos archivos estar\u00edan entonces disponibles a trav\u00e9s de la API del backend de TechDocs. Esta vulnerabilidad est\u00e1 mitigada por el hecho de que un atacante necesitar\u00eda acceso para modificar el archivo \"mkdocs.yml\" en el c\u00f3digo fuente de la documentaci\u00f3n, y tambi\u00e9n necesitar\u00eda acceso a la API del backend de TechDocs. La vulnerabilidad est\u00e1 parcheada en la versi\u00f3n \"0.6.3\" de \"@backstage/techdocs-common\""}], "id": "CVE-2021-32662", "lastModified": "2026-06-17T03:53:22.383", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "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": "security-advisories@github.com", "type": "Secondary"}, {"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": "2021-06-03T22:15:07.873", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/backstage/backstage/commit/8cefadca04cbf01d0394b0cb1983247e5f1d6208"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/backstage/backstage/releases/tag/release-2021-05-27"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-pgf8-28gg-vpr6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/backstage/backstage/commit/8cefadca04cbf01d0394b0cb1983247e5f1d6208"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/backstage/backstage/releases/tag/release-2021-05-27"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/backstage/backstage/security/advisories/GHSA-pgf8-28gg-vpr6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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