What is CVE-2021-21478?

CVE-2021-21478 is a medium-severity vulnerability in SAP Web Dynpro Abap, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-02-09.

How severe is CVE-2021-21478?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in SAP Web Dynpro Abap

CVE-2021-21478

SAP Web Dynpro ABAP allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.

Vulnerability class: Open Redirect

EPSS: 0.009 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Sap Web_dynpro_abap
Sap Se Netweaver As Abap (Web Dynpro Abap) — versions < SAP_UI 750, < 752, < 753

Weakness classification (CWE)

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

References

cna@sap.com (x_refsource_MISC, Vendor Advisory)
cna@sap.com (Permissions Required, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21478?: CVE-2021-21478 is a medium-severity vulnerability in SAP Web Dynpro Abap, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-02-09.
How severe is CVE-2021-21478?: Medium severity. CVSS v3 base score is 6.1 out of 10.