What is CVE-2021-40496?

CVE-2021-40496 is a medium-severity vulnerability in SAP Netweaver Abap, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2021-10-12.

How severe is CVE-2021-40496?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in SAP Netweaver Abap

CVE-2021-40496

SAP Internet Communication framework (ICM) - versions 700, 701, 702, 730, 731, 740, 750, 751, 752, 753, 754, 755, 756, 785, allows an attacker with logon functionality, to exploit the authentication function by using POST and form field to repeat executions of the initial command by a GET request and exposing sensitive data. This vulnerability is normally exposed over the network and successful exploitation can lead to exposure of data like system details.

Published 2021-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

SAP Netweaver Abap — versions 700, 701, 702
SAP Netweaver Application Server Abap — versions 700, 701, 702
SAP Se Netweaver As Abap And Platform — versions < 700, < 701, < 702

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

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-2021-40496?: CVE-2021-40496 is a medium-severity vulnerability in SAP Netweaver Abap, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2021-10-12.
How severe is CVE-2021-40496?: Medium severity. CVSS v3 base score is 4.3 out of 10.