{"id":"CVE-2022-45195","details":"SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol.","modified":"2026-08-12T03:51:15.707628611Z","published":"2022-11-12T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/45xxx/CVE-2022-45195.json"},"references":[{"type":"WEB","url":"https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0"},{"type":"WEB","url":"https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/45xxx/CVE-2022-45195.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-45195"},{"type":"FIX","url":"https://github.com/simplex-chat/simplexmq/pull/548"},{"type":"ARTICLE","url":"https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/simplex-chat/simplex-chat","events":[{"introduced":"0"},{"fixed":"cf1bd0d467ed4097cbe89b0aa05f8f58ccbb0c2e"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:simplex:simplex_chat:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"4.2"}]}},{"type":"GIT","repo":"https://github.com/simplex-chat/simplexmq","events":[{"introduced":"0"},{"fixed":"d2b88a1baa390ec64b6535e32ce69f26f53f4d7a"}],"database_specific":{"cpe":"cpe:2.3:a:simplex:simplexmq:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.4.0"}],"source":"CPE_RANGE"}}],"versions":["v4.2.0-beta.3","v4.2.0-beta.2","v4.2.0-beta.1","v4.2.0-beta.0","v4.1.0","v4.1.0-beta.0","v4.0.1","v4.0.0","v4.0.0-beta.3","v4.0.0-beta.2","v4.0.0-beta.1","v4.0.0-beta.0","v3.2.1","v3.2.0","v3.1.0","v3.1.0-beta.0","v1.3.3","v1.3.2","v1.0.1","v1.0.0","v0.5.5","v0.5.4","v0.5.3","v0.5.2","v0.5.1","v0.5.0","v0.4.2","v0.4.1","v0.4.0","v0.3.0","v0.1.0","v3.3.1-beta.3","v3.3.0","v3.1.3","v3.1.2","v3.1.1","v3.0.1","v0.3.2","v0.3.1","v0.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-45195.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}