Open redirect vulnerability in the redirect_back_or_default function in…
Priority LOW 33CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Open redirect vulnerability in the redirect_back_or_default function in app/controllers/application_controller.rb in Redmine before 2.4.5 and 2.5.x before 2.5.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the back url (back_url parameter).
Why it matters now
EPSS 0.04065 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:* | up to 2.4.4 | Vulnerable | Redmine |
| cpe:2.3:a:redmine:redmine:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | Redmine |
| cpe:2.3:a:redmine:redmine:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | Redmine |
| cpe:2.3:a:redmine:redmine:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Redmine |
| cpe:2.3:a:redmine:redmine:2.4.3:*:*:*:*:*:*:* | 2.4.3 | Vulnerable | Redmine |
| cpe:2.3:a:redmine:redmine:2.5.0:*:*:*:*:*:*:* | 2.5.0 | Vulnerable | Redmine |
- cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:* Versions up to 2.4.4 Vulnerable ·Redmine
- cpe:2.3:a:redmine:redmine:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Redmine
- cpe:2.3:a:redmine:redmine:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Redmine
- cpe:2.3:a:redmine:redmine:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Redmine
- cpe:2.3:a:redmine:redmine:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Redmine
- cpe:2.3:a:redmine:redmine:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·Redmine
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2014-1985
- 2026-10-03 Alias added: GHSA-m9hg-vq2w-vj4r
- 2026-11-06 EPSS moved to the 90th–95th percentile
References
Advisory 2
More Redmine vulnerabilities
- TI-2011-04243 Unspecified vulnerability in the bazaar repository adapter in Redmine 0.9.x and 1.0.x… CVSS 2.0HIGH 7.5
- TI-2021-10704 Redmine before 4.0.8 and 4.1.x before 4.1.2 allows attackers to bypass the… CVSS 3.1CRITICAL 9.8
- TI-2017-13235 Redmine before 3.2.9, 3.3.x before 3.3.6, and 3.4.x before 3.4.4 does not block the… CVSS 3.0HIGH 8.8
- TI-2017-11378 Redmine before 3.2.6 and 3.3.x before 3.3.3 mishandles the rendering of wiki links, which… CVSS 3.0HIGH 7.5
- TI-2017-11377 Redmine before 3.2.6 and 3.3.x before 3.3.3 mishandles Time Entry rendering in activity… CVSS 3.0HIGH 7.5
- TI-2017-11373 In Redmine before 3.2.6 and 3.3.x before 3.3.3, remote attackers can obtain sensitive… CVSS 3.0HIGH 7.5
Sources
- CVE-2014-1985 · CVE Program
- CVE-2014-1985 · NVD
- FIRST EPSS
- GHSA-m9hg-vq2w-vj4r · GitHub Advisory Database · CC BY 4.0
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