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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "matchCriteriaId": "4067807D-769C-485F-A7E3-EE96885BDCE7", "versionEndIncluding": "1.35.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Oauth extension for MediaWiki through 1.35.2. It did not validate the oarc_version (aka oauth_registered_consumer.oarc_version) parameter's length."}, {"lang": "es", "value": "Se detect\u00f3 un problema en la extensi\u00f3n Oauth para MediaWiki versiones hasta 1.35.2. No comprob\u00f3 la longitud del par\u00e1metro oarc_version (tambi\u00e9n se conoce como oauth_registered_consumer.oarc_version)"}], "id": "CVE-2021-31555", "lastModified": "2021-04-22T20:05:13.890", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-22T03:15:08.263", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://gerrit.wikimedia.org/r/q/I222c053b4b14ac1ad0f5b3a51565b1b9cd4c139d"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://phabricator.wikimedia.org/T277388"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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