{"id":"CVE-2017-5999","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-5999","generatedAt":"2026-10-28T22:42:39.468Z","title":"The fact that inc/SP/Core/Crypt.class is using the MCRYPT_RIJNDAEL_256() function (the 256-bit block version of Rijndael, not AES) instead of MCRYPT_RIJNDAEL_128 (real AES) could help an attacker to create unknown havoc in the remote system.","description":"An issue was discovered in sysPass 2.x before 2.1, in which an algorithm was never sufficiently reviewed by cryptographers. The fact that inc/SP/Core/Crypt.class is using the MCRYPT_RIJNDAEL_256() function (the 256-bit block version of Rijndael, not AES) instead of MCRYPT_RIJNDAEL_128 (real AES) could help an attacker to create unknown havoc in the remote system.","published":"2017-03-06T06:59:00.000Z","lastModified":"2026-06-17T01:21:36.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-326"],"affected":["syspass/syspass"],"epss":{"score":0.01137,"percentile":0.66379,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/96562","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://cxsecurity.com/issue/WLB-2017020196","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/nuxsmin/sysPass/commit/a0e2c485e53b370a7cc6d833e192c3c5bfd70e1f","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://github.com/nuxsmin/sysPass/releases/tag/2.1.0.17022601","tags":["Patch","Release Notes"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/96562","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cxsecurity.com/issue/WLB-2017020196","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nuxsmin/sysPass/commit/a0e2c485e53b370a7cc6d833e192c3c5bfd70e1f","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nuxsmin/sysPass/releases/tag/2.1.0.17022601","tags":["Patch","Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-5999","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}