#VU50451 Reverse Tabnabbing in SAP Web Dynpro ABAP - CVE-2021-21478

Vulnerability identifier: #VU50451

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-21478

CWE-ID: CWE-1022

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
SAP Web Dynpro ABAP

Software vendor:
SAP

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists within SAP Web Dynpro ABAP. A remote attacker can trick the victim to inject a malicious link and change contents of the pages.

Install updates from vendor's website.

• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543
• https://launchpad.support.sap.com/#/notes/2974582