{"id":"CVE-2021-27023","aliases":["GHSA-93j5-g845-9wqp"],"url":"https://o3.security/vulnerability/CVE-2021-27023","summary":"Unsafe HTTP Redirect in Puppet Agent and Puppet Server","details":"A flaw was discovered in Puppet Agent and Puppet Server that may result in a leak of HTTP credentials when following HTTP redirects to a different host. This is similar to CVE-2018-1000007","published":"2021-11-18T15:15:09.273Z","modified":"2026-07-08T05:56:58.833701137Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01328,"percentile":0.68406,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"puppet","fixedVersion":"7.12.1"},{"ecosystem":"RubyGems","name":"puppet","fixedVersion":"6.25.1"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62SELE7EKVKZL4GABFMVYMIIUZ7FPEF7/"},{"type":"ADVISORY","url":"https://puppet.com/security/cve/CVE-2021-27023"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:56:58.833701137Z"}}