{"api_version":"1","generated_at":"2026-07-25T00:46:54+00:00","cve":"CVE-2023-21391","urls":{"html":"https://cve.report/CVE-2023-21391","api":"https://cve.report/api/cve/CVE-2023-21391.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-21391","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-21391"},"summary":{"title":"CVE-2023-21391","description":"In Messaging, there is a possible way to disable the messaging application due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.","state":"PUBLIC","assigner":"security@android.com","published_at":"2023-10-30 18:15:00","updated_at":"2023-11-07 00:50:00"},"problem_types":["CWE-20"],"metrics":[],"references":[{"url":"https://source.android.com/docs/security/bulletin/android-14","name":"https://source.android.com/docs/security/bulletin/android-14","refsource":"MISC","tags":[],"title":"Android 14 Security Release Notes  |  Android Open Source Project","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-21391","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21391","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"21391","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"google","cpe5":"android","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-21391","ASSIGNER":"security@android.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"In Messaging, there is a possible way to disable the messaging application due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Denial of service"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Google","product":{"product_data":[{"product_name":"Android","version":{"version_data":[{"version_affected":"=","version_value":"14"}]}}]}}]}},"references":{"reference_data":[{"url":"https://source.android.com/docs/security/bulletin/android-14","refsource":"MISC","name":"https://source.android.com/docs/security/bulletin/android-14"}]}},"nvd":{"publishedDate":"2023-10-30 18:15:00","lastModifiedDate":"2023-11-07 00:50:00","problem_types":["CWE-20"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:google:android:*:*:*:*:*:*:*:*","versionEndExcluding":"14.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}