What is CVE-2015-8840?

CVE-2015-8840 is a high-severity vulnerability in SAP Netweaver Application Server Java, classified under Missing Authorization. CVSS score: 8.8/10. Published 2016-04-08.

How severe is CVE-2015-8840?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in SAP Netweaver Application Server Java

CVE-2015-8840

The XML Data Archiving Service (XML DAS) in SAP NetWeaver AS Java does not check authorization, which allows remote authenticated users to obtain sensitive information, gain privileges, or possibly have unspecified other impact via requests to (1) webcontent/cas/cas_enter.jsp, (2) webcontent/cas/cas_validate.jsp, or (3) webcontent/aas/aas_store.jsp, aka SAP Security Note 1945215.

Vulnerability class: Broken Access Control

Published 2016-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.3th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

SAP Netweaver Application Server Java

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

scn.sap.com/community/security/blog/2015/07/15/sap-security-notes-july-2015 (Broken Link)
erpscan.io/advisories/erpscan-15-017-sap-netweaver-j2ee-das-service-unauthorize… (Third Party Advisory)

Frequently asked questions

What is CVE-2015-8840?: CVE-2015-8840 is a high-severity vulnerability in SAP Netweaver Application Server Java, classified under Missing Authorization. CVSS score: 8.8/10. Published 2016-04-08.
How severe is CVE-2015-8840?: High severity. CVSS v3 base score is 8.8 out of 10.