Advisory

A note with CVSS 4.6 for component CA-WUI-APF was released by SAP on 27.04.2021. The correction/advisory 2904569 was described with "Cross-Site Request Forgery (CSRF) vulnerability in SAP CRM WebClient UI" and affects the system type SAP CRM UI.

A workaround exists, according to SAP Security Advisory team. It is advisable to implement the correction as part of maintenance.

The vulnerability addressed is cross-site request forgery (xsrf) within SAP CRM UI.

Risk specification

SAP CRM UI allows an attacker to trick an authenticated user to send unintended requests to the webserver.

Solution

CRM WebClient UI was adding the session token to the custom logo request. The session token is now removed. Although an alternative solution exists, it is advisable to apply the correction! This is the workaround, which was suggested by the SAP security experts: "Cross-site scripting/request forgery filter engine on IDS/IPS/firewall systems. ".

The advisory is valid for

S4FND 102 ¹⁶
S4FND 103 ¹⁶
S4FND 104 ¹⁶
SAPSCORE 120
WEBCUIF 701 ¹¹
WEBCUIF 731 ¹³
WEBCUIF 746 ¹³
WEBCUIF 747 ¹³
WEBCUIF 748 ¹⁴
WEBCUIF 800 ¹⁴
WEBCUIF 801 ¹⁴

Releated advisories

Disclaimer

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Notifications

Affected system SAP CRM UI

CVSS 4.6

Component CA-WUI-APF

Patch Day2021-05

Released on2021/04/27

SAP Note 2904569

Workaround Yes

Advisory

Risk specification

Solution

Disclaimer

_{Affected system}
SAP CRM UI

_CVSS
4.6

_Component
CA-WUI-APF

_{Patch Day}
2021-05

_{Released
on}
2021/04/27

_{SAP Note}
2904569

_Workaround
Yes