{"api_version":"1","generated_at":"2026-07-23T23:05:02+00:00","cve":"CVE-2023-36820","urls":{"html":"https://cve.report/CVE-2023-36820","api":"https://cve.report/api/cve/CVE-2023-36820.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-36820","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-36820"},"summary":{"title":"CVE-2023-36820","description":"Micronaut Security is a security solution for applications. Prior to versions 3.1.2, 3.2.4, 3.3.2, 3.4.3, 3.5.3, 3.6.6, 3.7.4, 3.8.4, 3.9.6, 3.10.2, and 3.11.1, IdTokenClaimsValidator skips `aud` claim validation if token is issued by same identity issuer/provider. Any OIDC setup using Micronaut where multiple OIDC applications exists for the same issuer but token auth are not meant to be shared. This issue has been patched in versions 3.1.2, 3.2.4, 3.3.2, 3.4.3, 3.5.3, 3.6.6, 3.7.4, 3.8.4, 3.9.6, 3.10.2, and 3.11.1.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2023-10-09 14:15:00","updated_at":"2023-10-13 16:35:00"},"problem_types":["CWE-284"],"metrics":[],"references":[{"url":"https://github.com/micronaut-projects/micronaut-security/security/advisories/GHSA-qw22-8w9r-864h","name":"https://github.com/micronaut-projects/micronaut-security/security/advisories/GHSA-qw22-8w9r-864h","refsource":"MISC","tags":[],"title":"Invalid IdTokenClaimsValidator logic on aud · Advisory · micronaut-projects/micronaut-security · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/micronaut-projects/micronaut-security/commit/9728b925221a0d87798ccf250657a3c214b7e980","name":"https://github.com/micronaut-projects/micronaut-security/commit/9728b925221a0d87798ccf250657a3c214b7e980","refsource":"MISC","tags":[],"title":"Merge pull request from GHSA-qw22-8w9r-864h · micronaut-projects/micronaut-security@9728b92 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-36820","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36820","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"36820","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"objectcomputing","cpe5":"micronaut_security","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"36820","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"objectcomputing","cpe5":"micronaut_security","cpe6":"3.11.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-36820","qid":"995518","title":"Java (Maven) Security Update for io.micronaut.security:micronaut-security-oauth2 (GHSA-qw22-8w9r-864h)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-36820","ASSIGNER":"security-advisories@github.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"Micronaut Security is a security solution for applications. 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This issue has been patched in versions 3.1.2, 3.2.4, 3.3.2, 3.4.3, 3.5.3, 3.6.6, 3.7.4, 3.8.4, 3.9.6, 3.10.2, and 3.11.1.\n"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-284: Improper Access Control","cweId":"CWE-284"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"micronaut-projects","product":{"product_data":[{"product_name":"micronaut-security","version":{"version_data":[{"version_affected":"=","version_value":">= 3.11.0, < 3.11.1"},{"version_affected":"=","version_value":">= 3.10.0, < 3.10.2"},{"version_affected":"=","version_value":">= 3.9.0, < 3.9.6"},{"version_affected":"=","version_value":">= 3.8.0, < 3.8.4"},{"version_affected":"=","version_value":">= 3.7.0, < 3.7.4"},{"version_affected":"=","version_value":">= 3.6.0, < 3.6.6"},{"version_affected":"=","version_value":">= 3.5.0, < 3.5.3"},{"version_affected":"=","version_value":">= 3.4.0, < 3.4.3"},{"version_affected":"=","version_value":">= 3.3.0, < 3.3.2"},{"version_affected":"=","version_value":">= 3.2.0, < 3.2.4"},{"version_affected":"=","version_value":">= 3.1.0, < 3.1.2"}]}}]}}]}},"references":{"reference_data":[{"url":"https://github.com/micronaut-projects/micronaut-security/security/advisories/GHSA-qw22-8w9r-864h","refsource":"MISC","name":"https://github.com/micronaut-projects/micronaut-security/security/advisories/GHSA-qw22-8w9r-864h"},{"url":"https://github.com/micronaut-projects/micronaut-security/commit/9728b925221a0d87798ccf250657a3c214b7e980","refsource":"MISC","name":"https://github.com/micronaut-projects/micronaut-security/commit/9728b925221a0d87798ccf250657a3c214b7e980"}]},"source":{"advisory":"GHSA-qw22-8w9r-864h","discovery":"UNKNOWN"},"impact":{"cvss":[{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}]}},"nvd":{"publishedDate":"2023-10-09 14:15:00","lastModifiedDate":"2023-10-13 16:35:00","problem_types":["CWE-284"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":2.5}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:3.11.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10.0","versionEndExcluding":"3.10.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9.0","versionEndExcluding":"3.9.6","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8.0","versionEndExcluding":"3.8.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7.0","versionEndExcluding":"3.7.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.6.0","versionEndExcluding":"3.6.6","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5.0","versionEndExcluding":"3.5.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4.0","versionEndExcluding":"3.4.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3.0","versionEndExcluding":"3.3.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2.0","versionEndExcluding":"3.2.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:objectcomputing:micronaut_security:*:*:*:*:*:*:*:*","versionEndExcluding":"3.1.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}