{"cve":"CVE-2021-27023","nvd":{"published":"2021-11-18T15:15:09.273","modified":"2026-06-17T03:44:08.763","status":"Modified","description":"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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62SELE7EKVKZL4GABFMVYMIIUZ7FPEF7/","https://puppet.com/security/cve/CVE-2021-27023","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62SELE7EKVKZL4GABFMVYMIIUZ7FPEF7/","https://puppet.com/security/cve/CVE-2021-27023"],"products":["fedoraproject:fedora","puppet:puppet_agent","puppet:puppet_enterprise","puppet:puppet_server"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-27023","score":0.01372,"percentile":0.71959,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-93j5-g845-9wqp","url":"https://osv.dev/vulnerability/GHSA-93j5-g845-9wqp","summary":"Unsafe HTTP Redirect in Puppet Agent and Puppet Server","modified":"2024-11-29T05:33:33.259278Z","packages":[{"ecosystem":"RubyGems","name":"puppet","purl":"pkg:gem/puppet","ranges":[">=7.0.0 <7.12.1"],"fixed":["7.12.1"]},{"ecosystem":"RubyGems","name":"puppet","purl":"pkg:gem/puppet","ranges":["<6.25.1"],"fixed":["6.25.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}