Reverse tabnabbing in SAP SAPUI5



Published: 2021-02-09
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-21476
CWE-ID CWE-1022
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SAPUI5
Universal components / Libraries / Software for developers

Vendor SAP

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Reverse Tabnabbing

EUVDB-ID: #VU50450

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21476

CWE-ID: CWE-1022 - Use of Web Link to Untrusted Target with window.opener Access

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists within SAPUI5 SDK. A remote attacker can trick the victim to inject a malicious link and change contents of the pages.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAPUI5: 1.38.49 - 1.86.1

External links

http://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543
http://launchpad.support.sap.com/#/notes/3014303


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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