{"cve":"CVE-2020-2252","nvd":{"published":"2020-09-16T14:15:13.000","modified":"2026-06-17T03:12:04.693","status":"Modified","description":"Jenkins Mailer Plugin 1.32 and earlier does not perform hostname validation when connecting to the configured SMTP server.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","score":4.8},"cwes":["CWE-295"],"references":["http://www.openwall.com/lists/oss-security/2020/09/16/3","https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1813","http://www.openwall.com/lists/oss-security/2020/09/16/3","https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1813"],"products":["jenkins:mailer"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-2252","score":0.00959,"percentile":0.61517,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6fr3-286q-q3cr","url":"https://osv.dev/vulnerability/GHSA-6fr3-286q-q3cr","summary":"Improper Validation of Certificate with Host Mismatch in Jenkins Mailer Plugin","modified":"2024-02-16T08:01:18.192380Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:mailer","purl":"pkg:maven/org.jenkins-ci.plugins/mailer","ranges":[">=1.32 <1.32.1"],"fixed":["1.32.1"]},{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:mailer","purl":"pkg:maven/org.jenkins-ci.plugins/mailer","ranges":[">=1.30 <1.31.1"],"fixed":["1.31.1"]},{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:mailer","purl":"pkg:maven/org.jenkins-ci.plugins/mailer","ranges":["<1.29.1"],"fixed":["1.29.1"]}]}],"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."]}