CVE-2021-21490

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% 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 AS for ABAP (Web Survey), versions - 700, 702, 710, 711, 730, 731, 750, 750, 752, 75A, 75F, does not sufficiently encode input and output parameters which results in reflected cross site scripting vulnerability, through which a malicious user can access data relating to the current session and use it to impersonate a user and access all information with the same rights as the target user.

Affected products

SAP_SE SAP NetWeaver Application Server for ABAP and ABAP Platform: 75a, 75f, 700, 702, 710, 711 (+4)

References

https://launchpad.support.sap.com/#/notes/3004043
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999
https://launchpad.support.sap.com/#/notes/3004043
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

Get alerted when CVE-2021-21490 or the next vulnerability affects your stack