XSS in SAP Netweaver Application Server Abap
CVE-2021-21490
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% 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 Application Server Abap — versions 75a, 75f, 700
- SAP Se Netweaver As For Abap (Web Survey) — versions < 700, < 702, < 710
Weakness classification (CWE)
References
- launchpad.support.sap.com/ (Permissions Required, Vendor Advisory)
- wiki.scn.sap.com/wiki/pages/viewpage.action (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-21490?
- CVE-2021-21490 is a medium-severity vulnerability in SAP Netweaver Application Server Abap, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-09.
- How severe is CVE-2021-21490?
- Medium severity. CVSS v3 base score is 6.1 out of 10.