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CVE-2015-8474

19
FAUCET Score

CVE-2015-8474 describes an open redirect vulnerability in Redmine versions before 2.6.7, 3.0.5, and 3.1.1, specifically within the valid_back_url function. This flaw allows remote attackers to redirect users to arbitrary external websites through a crafted back_url parameter, facilitating phishing attacks. With a CVSS score of 7.4 (High), it has a network attack vector, low attack complexity, and high impact on integrity due to the potential for user redirection. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
<= 2.6.6CPE matchmatch criteria
cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:*
2.5.1CPE matchmatch criteria
cpe:2.3:a:redmine:redmine:2.5.1:*:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:redmine:redmine:3.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.4HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.85%
Probability of exploitation in next 30 days
EPSS Percentile
76.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0185 is in the 76th percentile among its peer group of 14,855 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / redmine/redmine/commit/032f2c9be6520d9d1a1608aa4f1d5d1f184f2472
redmine.org / issues/19577
PatchVendor Advisory
debian.org / security/2016/dsa-3529
redmine.org / news/101
Patch
securityfocus.com / bid/78625