{"id":"CVE-2021-34600","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-34600","generatedAt":"2026-10-27T17:40:25.536Z","title":"Telenot CompasX versions prior to 32.0 use a weak seed for random number generation leading to predictable AES keys used in the NFC tags used for local authorization of users.","description":"Telenot CompasX versions prior to 32.0 use a weak seed for random number generation leading to predictable AES keys used in the NFC tags used for local authorization of users. This may lead to total loss of trustworthiness of the installation.","published":"2022-01-20T12:15:08.000Z","lastModified":"2026-06-17T03:56:13.000Z","status":"Modified","sourceIdentifier":"info@cert.vde.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-335"],"affected":["telenot/compasx"],"epss":{"score":0.00414,"percentile":0.35487,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/","tags":["Exploit","Third Party Advisory"],"source":"info@cert.vde.com"},{"url":"https://www.x41-dsec.de/lab/advisories/x41-2021-003-telenot-complex-insecure-keygen/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-34600","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."}