What is CVE-2019-11521?

CVE-2019-11521 is a high-severity vulnerability in Open-Xchange Appsuite, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2019-08-20.

How severe is CVE-2019-11521?

High severity. CVSS v3 base score is 8.1 out of 10.

Privilege escalation in Open-Xchange Appsuite

CVE-2019-11521

OX App Suite 7.10.1 allows Content Spoofing.

Vulnerability class: Privilege Escalation

Published 2019-08-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.017 (76.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Open-Xchange Appsuite — versions 7.10.1

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

packetstormsecurity.com/files/154128/Open-Xchange-OX-App-Suite-Content-Spoofing… (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2019-11521?: CVE-2019-11521 is a high-severity vulnerability in Open-Xchange Appsuite, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2019-08-20.
How severe is CVE-2019-11521?: High severity. CVSS v3 base score is 8.1 out of 10.