What is CVE-2020-8541?

CVE-2020-8541 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2020-06-16.

How severe is CVE-2020-8541?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XXE in Open-Xchange Appsuite

CVE-2020-8541

OX App Suite through 7.10.3 allows XXE attacks.

Vulnerability class: XXE (XML External Entity)

Published 2020-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.7th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Open-Xchange Appsuite — versions 7.10.1, 7.10.2, 7.10.3

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

www.open-xchange.com/ (Product)
packetstormsecurity.com/files/158070/OX-App-Suite-OX-Documents-7.10.3-XSS-SSRF-… (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-8541?: CVE-2020-8541 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2020-06-16.
How severe is CVE-2020-8541?: Medium severity. CVSS v3 base score is 6.5 out of 10.