{"id":"CVE-2020-12069","aliases":["EUVD-2020-4385","GHSA-26j2-2wp8-h95h"],"status":"published","title":"CODESYS V3 prone to Inadequate Password Hashing","description":"In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. 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Advisory"]},{"url":"https://cert.vde.com/en/advisories/VDE-2021-061/","tags":["vendor-advisory","x_transferred","Third Party Advisory"]},{"url":"https://cert.vde.com/en/advisories/VDE-2022-031/","tags":["vendor-advisory","x_transferred","Third Party Advisory"]},{"url":"https://cert.vde.com/en/advisories/VDE-2022-022/","tags":["vendor-advisory","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12069"},{"url":"https://cert.vde.com/en/advisories/VDE-2021-061"},{"url":"https://cert.vde.com/en/advisories/VDE-2022-022"},{"url":"https://cert.vde.com/en/advisories/VDE-2022-031"},{"url":"https://github.com/advisories/GHSA-26j2-2wp8-h95h"}],"sources":{"cve":[{"id":"CVE-2020-12069","title":"CODESYS V3 prone to Inadequate Password Hashing","description":"In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.","status":"published","published":"2022-12-26T00:00:00Z","modified":"2025-04-14T16:17:54.368Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-916"],"updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4385","description":"In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.","status":"published","published":"2022-12-26T00:00:00Z","modified":"2025-04-14T16:17:54Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:33.465211Z"}],"ghsa":[{"id":"GHSA-26j2-2wp8-h95h","title":"In Pilz PMC programming tool 3.x before 3.5.17 (based on CODESYS Development System), the...","description":"In Pilz PMC programming tool 3.x before 3.5.17 (based on CODESYS Development System), the password-hashing feature requires insufficient computational effort.","status":"published","published":"2022-12-26T21:30:24Z","modified":"2024-10-03T21:32:08Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-916"],"updated_at":"2026-11-02T14:58:24.643851Z"}],"nvd":[{"id":"CVE-2020-12069","description":"In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.","status":"published","published":"2022-12-26T19:15:10.52Z","modified":"2026-06-17T02:51:22.427Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-916"],"updated_at":"2026-11-02T14:06:47.286386Z"}]}}