What’s Vulnerable › Vulnerabilities

CVE-2017-16804

• Severity: medium (CVSS 4.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-13 · updated 2026-06-17
• Weakness: CWE-200

Description

In Redmine before 3.2.7 and 3.3.x before 3.3.4, the reminders function in app/models/mailer.rb does not check whether an issue is visible, which allows remote authenticated users to obtain sensitive information by reading e-mail reminder messages.

Affected products

• Debian Linux: 9.0
• Redmine: before 3.2.7; 3.3.0, 3.3.1, 3.3.2, 3.3.3 — fixed in 3.2.7

How to fix

Upgrade to a fixed version: Redmine 3.2.7. Check the vendor advisory for mitigations.

References

• https://github.com/redmine/redmine/commit/0f09f161f64f4190a52166675ff380a15b72a8bc
• https://www.debian.org/security/2018/dsa-4191
• https://www.redmine.org/issues/25713
• https://www.redmine.org/projects/redmine/wiki/Security_Advisories
• https://github.com/redmine/redmine/commit/0f09f161f64f4190a52166675ff380a15b72a8bc
• https://www.debian.org/security/2018/dsa-4191
• https://www.redmine.org/issues/25713
• https://www.redmine.org/projects/redmine/wiki/Security_Advisories

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