CVE-2020-26234

{"containers": {"cna": {"affected": [{"product": "opencast", "vendor": "opencast", "versions": [{"status": "affected", "version": "< 7.9"}, {"status": "affected", "version": ">= 8.0, < 8.9"}]}], "descriptions": [{"lang": "en", "value": "Opencast before versions 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for man-in-the-middle attacks. This problem is fixed in Opencast 7.9 and Opencast 8.8 Please be aware that fixing the problem means that Opencast will not simply accept any self-signed certificates any longer without properly importing them. If you need those, please make sure to import them into the Java key store. Better yet, get a valid certificate."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-346", "description": "CWE-346 Origin Validation Error", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-12-08T22:35:13.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/opencast/opencast/security/advisories/GHSA-44cw-p2hm-gpf6"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/opencast/opencast/commit/4225bf90af74557deaf8fb6b80b0705c9621acfc"}], "source": {"advisory": "GHSA-44cw-p2hm-gpf6", "discovery": "UNKNOWN"}, "title": "Disabled Hostname Verification in OpenCast", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-26234", "STATE": "PUBLIC", "TITLE": "Disabled Hostname Verification in OpenCast"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "opencast", "version": {"version_data": [{"version_value": "< 7.9"}, {"version_value": ">= 8.0, < 8.9"}]}}]}, "vendor_name": "opencast"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Opencast before versions 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for man-in-the-middle attacks. This problem is fixed in Opencast 7.9 and Opencast 8.8 Please be aware that fixing the problem means that Opencast will not simply accept any self-signed certificates any longer without properly importing them. If you need those, please make sure to import them into the Java key store. Better yet, get a valid certificate."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-346 Origin Validation Error"}]}]}, "references": {"reference_data": [{"name": "https://github.com/opencast/opencast/security/advisories/GHSA-44cw-p2hm-gpf6", "refsource": "CONFIRM", "url": "https://github.com/opencast/opencast/security/advisories/GHSA-44cw-p2hm-gpf6"}, {"name": "https://github.com/opencast/opencast/commit/4225bf90af74557deaf8fb6b80b0705c9621acfc", "refsource": "MISC", "url": "https://github.com/opencast/opencast/commit/4225bf90af74557deaf8fb6b80b0705c9621acfc"}]}, "source": {"advisory": "GHSA-44cw-p2hm-gpf6", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:56:02.992Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/opencast/opencast/security/advisories/GHSA-44cw-p2hm-gpf6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/opencast/opencast/commit/4225bf90af74557deaf8fb6b80b0705c9621acfc"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-26234", "datePublished": "2020-12-08T22:35:13.000Z", "dateReserved": "2020-10-01T00:00:00.000Z", "dateUpdated": "2024-08-04T15:56:02.992Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "opencast", "vendor": "opencast", "versions": [{"status": "affected", "version": "< 7.9"}, {"status": "affected", "version": ">= 8.0, < 8.9"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apereo:opencast:*:*:*:*:*:*:*:*", "matchCriteriaId": "F3414B26-469E-4B59-91CD-406ACB548BDF", "versionEndExcluding": "7.9", "vulnerable": true}, {"criteria": "cpe:2.3:a:apereo:opencast:*:*:*:*:*:*:*:*", "matchCriteriaId": "BE20EE9A-3F99-4B90-B663-4BA87849089A", "versionEndExcluding": "8.9", "versionStartIncluding": "8.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Opencast before versions 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for man-in-the-middle attacks. This problem is fixed in Opencast 7.9 and Opencast 8.8 Please be aware that fixing the problem means that Opencast will not simply accept any self-signed certificates any longer without properly importing them. If you need those, please make sure to import them into the Java key store. Better yet, get a valid certificate."}, {"lang": "es", "value": "Opencast versiones anteriores a 8.9 y 7.9, deshabilita la verificaci\u00f3n del nombre de host HTTPS de su cliente HTTP utilizado para una gran parte de las peticiones HTTP de Opencast.&#xa0;La verificaci\u00f3n del nombre de host es una parte importante cuando se usa HTTPS para garantizar que el certificado presentado sea v\u00e1lido para el host.&#xa0;Deshabilitarlo puede permitir ataques de tipo man-in-the-middle.&#xa0;Este problema se corrigi\u00f3 en Opencast versi\u00f3n 7.9 y Opencast versi\u00f3n 8.8. Tome en cuenta que corregir el problema significa que Opencast ya no aceptar\u00e1 ning\u00fan certificado autofirmado sin importarlo apropiadamente.&#xa0;Si los necesita, aseg\u00farese de importarlos al almac\u00e9n de claves de Java.&#xa0;Mejor a\u00fan, obtenga un certificado v\u00e1lido"}], "id": "CVE-2020-26234", "lastModified": "2026-06-17T03:07:53.037", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-08T23:15:12.060", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/opencast/opencast/commit/4225bf90af74557deaf8fb6b80b0705c9621acfc"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/opencast/opencast/security/advisories/GHSA-44cw-p2hm-gpf6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/opencast/opencast/commit/4225bf90af74557deaf8fb6b80b0705c9621acfc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/opencast/opencast/security/advisories/GHSA-44cw-p2hm-gpf6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-346"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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