CVE-2023-42477 Server-Side Request Forgery in SAP NetWeaver AS Java (GRMG Heartbeat application)

What is CVE-2023-42477?

CVE-2023-42477 is a medium-severity server-side request forgery vulnerability in Sap Netweaver Application Server Java, published on 10 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SAP NetWeaver AS Java (GRMG Heartbeat application) - version 7.50, allows an attacker to send a crafted request from a vulnerable web application, causing limited impact on confidentiality and integrity of the application.

Weakness: CWE-918

Which versions are affected by CVE-2023-42477?

It affects 1 product.

Products include Sap Netweaver Application Server Java.

How do I fix CVE-2023-42477?

No fix has been published for CVE-2023-42477 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-42477 being exploited?

There is no known exploitation of CVE-2023-42477 in the wild and no public exploit code.

Other vulnerabilities in Sap Netweaver Application Server Java

• CVE-2020-6287 SAP NetWeaver Missing Authentication for Critical Function Exploited Critical 10.0
• CVE-2010-5326 SAP NetWeaver Remote Code Execution Exploited Critical 10.0
• CVE-2016-2386 SAP NetWeaver SQL Injection Exploited Critical 9.8
• CVE-2017-12637 SAP NetWeaver Directory Traversal Exploited High 7.5
• CVE-2016-3976 SAP NetWeaver Directory Traversal Exploited High 7.5

All Sap Netweaver Application Server Java vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-pvcj-pg6x-h564.