What is CVE-2017-13667?

CVE-2017-13667 is a critical-severity vulnerability in Open-Xchange Appsuite, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.9/10. Published 2019-05-23.

How severe is CVE-2017-13667?

Critical severity. CVSS v3 base score is 9.9 out of 10.

SSRF in Open-Xchange Appsuite

CVE-2017-13667

OX Software GmbH OX App Suite 7.8.4 and earlier is affected by: SSRF.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2019-05-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000

Affected products

Open-Xchange Appsuite

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

ox.com (Not Applicable, Broken Link)
documentation.open-xchange.com/7.8.3/release-notes/release-notes.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2017-13667?: CVE-2017-13667 is a critical-severity vulnerability in Open-Xchange Appsuite, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.9/10. Published 2019-05-23.
How severe is CVE-2017-13667?: Critical severity. CVSS v3 base score is 9.9 out of 10.