CVE-2021-21478 Open redirect in SAP NetWeaver AS ABAP (Web Dynpro ABAP)

Medium 4.7 Published Updated

Attackers can redirect users to malicious sites via Reverse Tabnabbing in SAP Web Dynpro ABAP, requiring users to apply vendor patches.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-21478?

CVE-2021-21478 is a medium-severity vulnerability in SAP NetWeaver AS ABAP (Web Dynpro ABAP), published on 9 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-601

Which versions are affected by CVE-2021-21478?

It affects 1 product.

Products include Sap Web Dynpro Abap.

How do I fix CVE-2021-21478?

No fix has been published for CVE-2021-21478 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-21478 being exploited?

There is no known exploitation of CVE-2021-21478 in the wild and no public exploit code.

Sources

Also known as GHSA-6fxj-c35j-cj8x.

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