Open Redirect in Open-Xchange Appsuite

CVE-2016-3174

An issue was discovered in Open-Xchange OX AppSuite before 7.8.0-rev27. The "defer" servlet offers to redirect a client to a specified URL. Since some checks were missing, arbitrary URLs could be provided as redirection target. Users can be tricked to follow a link to a trustworthy domain but end up at an unexpected service later on. This vulnerability can be used to prepare and enhance phishing attacks.

Vulnerability class: Open Redirect

EPSS: 0.010 (57.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-3174?
CVE-2016-3174 is a high-severity vulnerability in Open-Xchange Appsuite, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.4/10. Published 2016-12-15.
How severe is CVE-2016-3174?
High severity. CVSS v3 base score is 7.4 out of 10.