{"api_version":"1","generated_at":"2026-07-24T21:08:47+00:00","cve":"CVE-2023-22899","urls":{"html":"https://cve.report/CVE-2023-22899","api":"https://cve.report/api/cve/CVE-2023-22899.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-22899","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-22899"},"summary":{"title":"CVE-2023-22899","description":"Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2023-01-10 02:15:00","updated_at":"2023-01-30 16:24:00"},"problem_types":["CWE-346"],"metrics":[],"references":[{"url":"https://news.ycombinator.com/item?id=34316206","name":"https://news.ycombinator.com/item?id=34316206","refsource":"MISC","tags":[],"title":"The attacks in this paper are much less damaging than the attacks in the Nebucha... | Hacker News","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://threema.ch/en/blog/posts/news-alleged-weaknesses-statement","name":"https://threema.ch/en/blog/posts/news-alleged-weaknesses-statement","refsource":"MISC","tags":[],"title":"New Paper on Old Threema Protocol","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://breakingthe3ma.app/files/Threema-PST22.pdf","name":"https://breakingthe3ma.app/files/Threema-PST22.pdf","refsource":"MISC","tags":[],"title":"","mime":"application/pdf","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/srikanth-lingala/zip4j/releases","name":"https://github.com/srikanth-lingala/zip4j/releases","refsource":"MISC","tags":[],"title":"Releases · srikanth-lingala/zip4j · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://breakingthe3ma.app","name":"https://breakingthe3ma.app","refsource":"MISC","tags":[],"title":"Three Lessons from Threema: Analysis of a Secure Messenger","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/srikanth-lingala/zip4j/issues/485","name":"https://github.com/srikanth-lingala/zip4j/issues/485","refsource":"MISC","tags":[],"title":"Any plans to address CVE-2023-22899 · Issue #485 · srikanth-lingala/zip4j · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-22899","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22899","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"22899","vulnerable":"1","versionEndIncluding":"2.11.2","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zip4j_project","cpe5":"zip4j","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-22899","qid":"183880","title":"Debian Security Update for zip4j (CVE-2023-22899)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2023-22899","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://breakingthe3ma.app","refsource":"MISC","name":"https://breakingthe3ma.app"},{"url":"https://breakingthe3ma.app/files/Threema-PST22.pdf","refsource":"MISC","name":"https://breakingthe3ma.app/files/Threema-PST22.pdf"},{"url":"https://news.ycombinator.com/item?id=34316206","refsource":"MISC","name":"https://news.ycombinator.com/item?id=34316206"},{"url":"https://threema.ch/en/blog/posts/news-alleged-weaknesses-statement","refsource":"MISC","name":"https://threema.ch/en/blog/posts/news-alleged-weaknesses-statement"},{"url":"https://github.com/srikanth-lingala/zip4j/releases","refsource":"MISC","name":"https://github.com/srikanth-lingala/zip4j/releases"},{"refsource":"MISC","name":"https://github.com/srikanth-lingala/zip4j/issues/485","url":"https://github.com/srikanth-lingala/zip4j/issues/485"}]}},"nvd":{"publishedDate":"2023-01-10 02:15:00","lastModifiedDate":"2023-01-30 16:24:00","problem_types":["CWE-346"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.2,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zip4j_project:zip4j:*:*:*:*:*:*:*:*","versionEndIncluding":"2.11.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}