CVE-2021-21429

{"containers": {"cna": {"affected": [{"product": "openapi-generator", "vendor": "OpenAPITools", "versions": [{"status": "affected", "version": "< 5.1.0"}]}], "descriptions": [{"lang": "en", "value": "OpenAPI Generator allows generation of API client libraries, server stubs, documentation and configuration automatically given an OpenAPI Spec. Using `File.createTempFile` in JDK will result in creating and using insecure temporary files that can leave application and system data vulnerable to attacks. OpenAPI Generator maven plug-in creates insecure temporary files during the process. The issue has been patched with `Files.createTempFile` and released in the v5.1.0 stable version."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-552", "description": "CWE-552: Files or Directories Accessible to External Parties", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-04-27T20:00:18.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-867q-77cc-98mv"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/OpenAPITools/openapi-generator/pull/8795"}], "source": {"advisory": "GHSA-867q-77cc-98mv", "discovery": "UNKNOWN"}, "title": "Creation of Temporary File in Directory with Insecure Permissions in the OpenAPI Generator Maven plugin", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21429", "STATE": "PUBLIC", "TITLE": "Creation of Temporary File in Directory with Insecure Permissions in the OpenAPI Generator Maven plugin"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "openapi-generator", "version": {"version_data": [{"version_value": "< 5.1.0"}]}}]}, "vendor_name": "OpenAPITools"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "OpenAPI Generator allows generation of API client libraries, server stubs, documentation and configuration automatically given an OpenAPI Spec. Using `File.createTempFile` in JDK will result in creating and using insecure temporary files that can leave application and system data vulnerable to attacks. OpenAPI Generator maven plug-in creates insecure temporary files during the process. The issue has been patched with `Files.createTempFile` and released in the v5.1.0 stable version."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-552: Files or Directories Accessible to External Parties"}]}]}, "references": {"reference_data": [{"name": "https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-867q-77cc-98mv", "refsource": "CONFIRM", "url": "https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-867q-77cc-98mv"}, {"name": "https://github.com/OpenAPITools/openapi-generator/pull/8795", "refsource": "MISC", "url": "https://github.com/OpenAPITools/openapi-generator/pull/8795"}]}, "source": {"advisory": "GHSA-867q-77cc-98mv", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:16.096Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-867q-77cc-98mv"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/OpenAPITools/openapi-generator/pull/8795"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21429", "datePublished": "2021-04-27T20:00:18.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:16.096Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "openapi-generator", "vendor": "OpenAPITools", "versions": [{"status": "affected", "version": "< 5.1.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openapi-generator:openapi_generator:*:*:*:*:*:*:*:*", "matchCriteriaId": "E271BD89-5082-49B0-85BB-39B7AE2792BB", "versionEndExcluding": "5.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenAPI Generator allows generation of API client libraries, server stubs, documentation and configuration automatically given an OpenAPI Spec. Using `File.createTempFile` in JDK will result in creating and using insecure temporary files that can leave application and system data vulnerable to attacks. OpenAPI Generator maven plug-in creates insecure temporary files during the process. The issue has been patched with `Files.createTempFile` and released in the v5.1.0 stable version."}, {"lang": "es", "value": "OpenAPI Generator permite la generaci\u00f3n de bibliotecas cliente API, stubs de servidor, documentaci\u00f3n y configuraci\u00f3n de forma autom\u00e1tica dada una especificaci\u00f3n OpenAPI.&#xa0;El uso de la funci\u00f3n \"File.createTempFile\" en JDK dar\u00e1 como resultado la creaci\u00f3n y el uso de archivos temporales no seguros que pueden dejar la aplicaci\u00f3n y los datos del sistema vulnerables a ataques.&#xa0;El plugin Maven de OpenAPI Generator crea archivos temporales no seguros durante el proceso.&#xa0;El problema ha sido parcheado con \"Files.createTempFile\" y es lanzado en versi\u00f3n estable v5.1.0"}], "id": "CVE-2021-21429", "lastModified": "2026-06-17T03:35:33.533", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-27T20:15:08.763", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OpenAPITools/openapi-generator/pull/8795"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-867q-77cc-98mv"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OpenAPITools/openapi-generator/pull/8795"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-867q-77cc-98mv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-552"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "openapi-generator: Using File.createTempFile in JDK results in creating insecure temporary files", "id": "1955717", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1955717"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-552", "details": ["OpenAPI Generator allows generation of API client libraries, server stubs, documentation and configuration automatically given an OpenAPI Spec. Using `File.createTempFile` in JDK will result in creating and using insecure temporary files that can leave application and system data vulnerable to attacks. OpenAPI Generator maven plug-in creates insecure temporary files during the process. The issue has been patched with `Files.createTempFile` and released in the v5.1.0 stable version."], "name": "CVE-2021-21429", "package_state": [{"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "openapi-generator", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}], "public_date": "2021-04-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-21429\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21429"], "threat_severity": "Moderate"}

{}