CVE-2018-2477 XML external entity in Knowledge Management (XMLForms) in SAP NetWeaver

High 8.8 Published 13 Nov 2018 Updated 5 Aug 2024

An attacker can exploit insufficient XML validation in SAP NetWeaver Knowledge Management to read sensitive data or cause denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-2477?

CVE-2018-2477 is a high-severity vulnerability in Sap Netweaver, published on 13 Nov 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-91

Which versions are affected by CVE-2018-2477?

It affects 1 product.

Products include Sap Netweaver.

How do I fix CVE-2018-2477?

No fix has been published for CVE-2018-2477 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-2477 being exploited?

There is no known exploitation of CVE-2018-2477 in the wild and no public exploit code.

All Sap Netweaver vulnerabilities

Sources

Also known as GHSA-gwj3-xxgq-gmc6.