What is CVE-2021-33664?

CVE-2021-33664 is a medium-severity vulnerability in SAP Netweaver Application Server Abap, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-06-09.

How severe is CVE-2021-33664?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-33664 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in SAP Netweaver Application Server Abap

CVE-2021-33664

SAP NetWeaver Application Server ABAP (Applications based on Web Dynpro ABAP), versions - SAP_UI - 750,752,753,754,755, SAP_BASIS - 702, 731 does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (38.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Sap Netweaver_application_server_abap — versions 31, 702, 750
Sap Se Netweaver Application Server Abap (Applications Based On Web Dynpro Abap) — versions < SAP_UI - 750, < 752, < 753

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

n0-traces/cve_

References

cna@sap.com (x_refsource_MISC, Vendor Advisory)
cna@sap.com (Permissions Required, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-33664?: CVE-2021-33664 is a medium-severity vulnerability in SAP Netweaver Application Server Abap, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-06-09.
How severe is CVE-2021-33664?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-33664 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.