What is CVE-2020-24700?

CVE-2020-24700 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2021-01-12.

How severe is CVE-2020-24700?

Medium severity. CVSS v3 base score is 5.4 out of 10.

SSRF in Open-Xchange Appsuite

CVE-2020-24700

OX App Suite through 7.10.3 allows SSRF because GET requests are sent to arbitrary domain names with an initial autoconfig. substring.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2021-01-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.9th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · 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)
packetstormsecurity.com/files/160853/OX-App-Suite-OX-Documents-7.10.x-XSS-SSRF… (Exploit, VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2021/Jul/33 (mailing-list, Exploit, Mailing List, Third Party Advisory)
packetstormsecurity.com/files/163527/OX-App-Suite-OX-Guard-OX-Documents-SSRF-Cr… (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24700?: CVE-2020-24700 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2021-01-12.
How severe is CVE-2020-24700?: Medium severity. CVSS v3 base score is 5.4 out of 10.