XSS in SAP Netweaver Enterprise Portal
CVE-2021-21489
SAP NetWeaver Enterprise Portal versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently encode user related data, resulting in Stored Cross-Site Scripting (XSS) vulnerability. This would allow an attacker with administrative privileges to store a malicious script on the portal. The execution of the script content by a victim registered on the portal could compromise the confidentiality and integrity of portal content.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- SAP Netweaver Enterprise Portal — versions 7.10, 7.11, 7.20
- SAP Se Netweaver Enterprise Portal — versions < 7.10, < 7.11, < 7.20
Weakness classification (CWE)
References
- launchpad.support.sap.com/ (Permissions Required)
- wiki.scn.sap.com/wiki/pages/viewpage.action (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-21489?
- CVE-2021-21489 is a medium-severity vulnerability in SAP Netweaver Enterprise Portal, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-09-14.
- How severe is CVE-2021-21489?
- Medium severity. CVSS v3 base score is 4.8 out of 10.