CVE-2021-33665

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-09 · updated 2026-06-17
Weakness: CWE-79

Description

SAP NetWeaver Application Server ABAP (Applications based on SAP GUI for HTML), versions - KRNL64NUC - 7.49, KRNL64UC - 7.49,7.53, KERNEL - 7.49,7.53,7.77,7.81,7.84, does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.

Affected products

SAP_SE SAP NetWeaver Application Server for ABAP and ABAP Platform: kernel_7.49, kernel_7.53, kernel_7.77, kernel_7.81, kernel_7.84, krnl64nuc_7.49 (+2)

References

https://launchpad.support.sap.com/#/notes/3028370
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999
https://launchpad.support.sap.com/#/notes/3028370
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

Get alerted when CVE-2021-33665 or the next vulnerability affects your stack