{"id":"CVE-2022-45195","aliases":["EUVD-2022-48103","GHSA-pjv9-6jwc-5g68"],"status":"published","title":"SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation...","description":"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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00773,"percentile":0.56033,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2022-11-12T00:00:00Z","modified":"2026-10-28T02:30:43Z","products":[{"vendor":"simplex","product":"simplex_chat"},{"vendor":"simplex","product":"simplexmq"}],"references":[{"url":"https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory","web"]},{"url":"https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html","tags":["x_transferred","Release Notes","Vendor Advisory","article"]},{"url":"https://github.com/simplex-chat/simplexmq/pull/548","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0","tags":["x_transferred","Release Notes","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-45195","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pjv9-6jwc-5g68"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/45xxx/CVE-2022-45195.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-45195","description":"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.","status":"published","published":"2022-11-12T00:00:00Z","modified":"2025-05-01T13:37:08.17Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:34:31.519788Z"}],"euvd":[{"id":"EUVD-2022-48103","description":"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.","status":"published","published":"2022-11-12T00:00:00Z","modified":"2025-05-01T13:37:08Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:51:58.065214Z"}],"ghsa":[{"id":"GHSA-pjv9-6jwc-5g68","title":"SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation...","description":"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.","status":"published","published":"2022-11-13T12:00:18Z","modified":"2023-01-28T05:03:12Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:43:56.116009Z"}],"nvd":[{"id":"CVE-2022-45195","description":"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.","status":"published","published":"2022-11-12T19:15:10.707Z","modified":"2026-06-17T05:09:37.12Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:07:31.914793Z"}],"osv":[{"id":"CVE-2022-45195","description":"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.","status":"published","published":"2022-11-12T00:00:00Z","modified":"2026-10-28T02:30:43.595965593Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:27.481647Z"}]}}