CVE-2020-2253: Improper Certificate Validation

May 24, 2022 (updated December 29, 2022)

Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.

References

www.openwall.com/lists/oss-security/2020/09/16/3
github.com/advisories/GHSA-4qrj-99r6-jfrh
nvd.nist.gov/vuln/detail/CVE-2020-2253
www.jenkins.io/security/advisory/2020-09-16/

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