Published:2014/04/16  Last Updated:2014/04/16

Redmine vulnerable to open redirect


Redmine contains an open redirect vulnerability.

Products Affected

  • Redmine versions prior to 2.5.1
  • Redmine versions prior to 2.4.5


Redmine is a project management software. Redmine contains an open redirect vulnerability due to insufficient checking of the URL parameter.


A user who logs into Redmine may be redirected to an arbitrary website. As a result, the user may become a victim of a phishing attack.


Update the software
Update to the latest version according to the infomration provided by the developer.

Vendor Status

Vendor Link
Redmine Revision 13018


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.04.16 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) The access conditions are somewhat specialized.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is no impact to the confidentiality of the system.
Integrity Impact(I) None (N) Partial (P) Complete (C) Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:4.3


Minoru Sakai of SCSK Corporation reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2014-1985
JVN iPedia JVNDB-2014-000041