XSS in SAP Netweaver

CVE-2023-0021

Due to insufficient encoding of user input, SAP NetWeaver - versions 700, 701, 702, 731, 740, 750, allows an unauthenticated attacker to inject code that may expose sensitive data like user ID and password, which could lead to reflected Cross-Site scripting. These endpoints are normally exposed over the network and successful exploitation can partially impact confidentiality of the application.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-0021?
CVE-2023-0021 is a medium-severity vulnerability in SAP Netweaver, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-03-14.
How severe is CVE-2023-0021?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-0021 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.