XSS in SAP Netweaver Application Server Abap
CVE-2021-33665
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- SAP Netweaver Application Server Abap — versions kernel_7.49, kernel_7.53, kernel_7.77
- SAP Se Netweaver Application Server Abap (Applications Based On Gui For HTML) — versions < KRNL64NUC - 7.49, < KRNL64UC - 7.49, < 7.53
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wiki.scn.sap.com/wiki/pages/viewpage.action (Vendor Advisory)
- launchpad.support.sap.com/ (Permissions Required, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-33665?
- CVE-2021-33665 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-2021-33665?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-33665 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.