CVE-2020-2232 Jenkins Email Extension Plugin SMTP password transmitted and displayed in plain text

What is CVE-2020-2232?

CVE-2020-2232 is a high-severity vulnerability in Jenkins Email Extension Plugin, published on 12 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Jenkins Email Extension Plugin 2.72 and 2.73 transmits and displays the SMTP password in plain text as part of the global Jenkins configuration form, potentially resulting in its exposure.

Weakness: CWE-319

Which versions are affected by CVE-2020-2232?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:email-ext. It affects 1 product.

Products include Jenkins Email Extension.

How do I fix CVE-2020-2232?

Upgrade org.jenkins-ci.plugins:email-ext to 2.74 or later.

Is CVE-2020-2232 being exploited?

There is no known exploitation of CVE-2020-2232 in the wild and no public exploit code.

Other vulnerabilities in Jenkins Email Extension Plugin

• CVE-2023-25765 Sandbox escape in Jenkins Email Extension Plugin Critical 9.9
• CVE-2019-1003032 Script security sandbox bypass in Jenkins Email Extension Plugin Critical 9.9
• CVE-2026-48920 Jenkins Email Extension Plugin: Attackers able to control email content may specify `file:` URLs for images to read arbitrary files from Jenkins controller filesystem High 8.8
• CVE-2018-1000176 Jenkins Email Extension Plugin showed plain text SMTP password in configuration form field Medium 6.5
• CVE-2023-25763 Cross-site Scripting in Jenkins Email Extension Plugin Medium 5.4

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5c4v-vh95-c67c.