What is CVE-2018-2477?

CVE-2018-2477 is a high-severity vulnerability in SAP Knowledge Management (Xmlforms) In Netweaver, classified under XML Injection (Blind XPath Injection). CVSS score: 8.8/10. Published 2018-11-13.

How severe is CVE-2018-2477?

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

XPath Injection in SAP Knowledge Management (Xmlforms) In Netweaver

CVE-2018-2477

Knowledge Management (XMLForms) in SAP NetWeaver, versions 7.30, 7.31, 7.40 and 7.50 does not sufficiently validate an XML document accepted from an untrusted source.

Published 2018-11-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (77.4th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

SAP Knowledge Management (Xmlforms) In Netweaver — versions = 7.30, = 7.31, = 7.40
SAP Netweaver — versions 7.30, 7.31, 7.40

Weakness classification (CWE)

CWE-91 — XML Injection (Blind XPath Injection)

References

launchpad.support.sap.com/ (Permissions Required, Vendor Advisory)
www.securityfocus.com/bid/105901 (VDB Entry, Third Party Advisory, vdb-entry)
wiki.scn.sap.com/wiki/pages/viewpage.action (Vendor Advisory)

Frequently asked questions

What is CVE-2018-2477?: CVE-2018-2477 is a high-severity vulnerability in SAP Knowledge Management (Xmlforms) In Netweaver, classified under XML Injection (Blind XPath Injection). CVSS score: 8.8/10. Published 2018-11-13.
How severe is CVE-2018-2477?: High severity. CVSS v3 base score is 8.8 out of 10.