What is CVE-2017-9809?

CVE-2017-9809 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-05-22.

How severe is CVE-2017-9809?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Open-Xchange Appsuite

CVE-2017-9809

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

Vulnerability class: Information Disclosure

Published 2019-05-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.5% 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-200 — Information Disclosure

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-2017-9809?: CVE-2017-9809 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-05-22.
How severe is CVE-2017-9809?: Medium severity. CVSS v3 base score is 5.3 out of 10.