What is CVE-2020-12644?

CVE-2020-12644 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2020-08-31.

How severe is CVE-2020-12644?

Medium severity. CVSS v3 base score is 5.0 out of 10.

SSRF in Open-Xchange Appsuite

CVE-2020-12644

OX App Suite 7.10.3 and earlier allows SSRF, related to the mail account API and the /folder/list API.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2020-08-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.9th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Open-Xchange Appsuite

Weakness classification (CWE)

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

References

www.open-xchange.com/ (Vendor Advisory)
seclists.org/fulldisclosure/2020/Aug/14 (Mailing List, Third Party Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/187116 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-12644?: CVE-2020-12644 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2020-08-31.
How severe is CVE-2020-12644?: Medium severity. CVSS v3 base score is 5.0 out of 10.