Description
Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.
Remediation
References
https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1851
http://www.openwall.com/lists/oss-security/2020/09/16/3
Related Vulnerabilities
CVE-2022-34916 Vulnerability in maven package org.apache.flume.flume-ng-sources:flume-jms-source
CVE-2018-12541 Vulnerability in maven package io.vertx:vertx-core
CVE-2023-24446 Vulnerability in maven package org.jenkins-ci.plugins:openid
CVE-2020-9487 Vulnerability in maven package org.apache.nifi:nifi-web-security