{"id":"CVE-2021-27017","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-27017","generatedAt":"2026-10-28T01:52:03.955Z","title":"Utilization of a module presented a security risk by allowing the deserialization of untrusted/user supplied data.","description":"Utilization of a module presented a security risk by allowing the deserialization of untrusted/user supplied data. This is resolved in the Puppet Agent 7.4.0 release.","published":"2025-02-07T20:15:32.000Z","lastModified":"2026-06-17T03:44:08.000Z","status":"Deferred","sourceIdentifier":"security@puppet.com","cvss":{"version":"3.1","score":6.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":[],"epss":{"score":0.00551,"percentile":0.45805,"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 (0.55%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.puppet.com/security/cve/cve-2021-27017-deserialization-untrusted-data","source":"security@puppet.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-27017","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."}