What is CVE-2020-6266?

CVE-2020-6266 is a medium-severity vulnerability in SAP Fiori, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2020-06-10.

How severe is CVE-2020-6266?

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

Open Redirect in SAP Fiori

CVE-2020-6266

SAP Fiori for SAP S/4HANA, versions - 100, 200, 300, 400, allows an attacker to redirect users to a malicious site due to insufficient URL validation, leading to URL Redirection.

Vulnerability class: Open Redirect

Published 2020-06-10 · 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:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

SAP Fiori — versions 200, 300, 400
SAP Se Fiori For S/4hana — versions < 200, < 300, < 400

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

wiki.scn.sap.com/wiki/pages/viewpage.action (Vendor Advisory)
launchpad.support.sap.com/ (Permissions Required)
launchpad.support.sap.com/ (Permissions Required, Vendor Advisory)

Frequently asked questions

What is CVE-2020-6266?: CVE-2020-6266 is a medium-severity vulnerability in SAP Fiori, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2020-06-10.
How severe is CVE-2020-6266?: Medium severity. CVSS v3 base score is 5.4 out of 10.