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CVE-2016-3174

25
FAUCET Score

CVE-2016-3174 describes an open redirect vulnerability in Open-Xchange OX AppSuite versions prior to 7.8.0-rev27. This flaw allows an attacker to redirect users to arbitrary URLs by manipulating the "defer" servlet, even if the initial link appears to be from a trusted domain. Rated 7.4 HIGH (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N), it poses a significant risk for phishing attacks due to its low attack complexity and user interaction requirement. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.8.0CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev-26:*:*:*:*:*:*

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
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 59th percentile among its peer group of 14,848 CVEs.

Social Chatter

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

packetstormsecurity.com / files/137187/Open-Xchange-OX-AppSuite-7.8.0-XSS-Open-Redirect.html
Third Party AdvisoryVDB Entry
securityfocus.com / archive/1/538481/100/0/threaded