CVE-2017-16804 — In Redmine before 3
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.
Published
2017-11-13T20:29:00.460
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
01What is this vulnerability?
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.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-11-13T20:29:00.460
- Last modified: 2026-05-13T00:24:29.033
09References
- github.com — https://github.com/redmine/redmine/commit/0f09f161f64f4190a52166675ff380a15b72a8…
- www.debian.org — https://www.debian.org/security/2018/dsa-4191
- www.redmine.org — https://www.redmine.org/issues/25713
- www.redmine.org — https://www.redmine.org/projects/redmine/wiki/Security_Advisories
- github.com — https://github.com/redmine/redmine/commit/0f09f161f64f4190a52166675ff380a15b72a8…
- www.debian.org — https://www.debian.org/security/2018/dsa-4191
- www.redmine.org — https://www.redmine.org/issues/25713
- www.redmine.org — https://www.redmine.org/projects/redmine/wiki/Security_Advisories
Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →