CVE-2023-24526 Improper Access Control in SAP NetWeaver AS Java (Classload Service)

What is CVE-2023-24526?

CVE-2023-24526 is a medium-severity missing authorization vulnerability in Sap Netweaver Application Server Java, published on 14 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SAP NetWeaver Application Server Java for Classload Service - version 7.50, does not perform any authentication checks for functionalities that require user identity, resulting in escalation of privileges. This failure has a low impact on confidentiality of the data such that an unassigned user can read non-sensitive server data.

Weakness: CWE-306

Which versions are affected by CVE-2023-24526?

It affects 1 product.

Products include Sap Netweaver Application Server Java.

How do I fix CVE-2023-24526?

No fix has been published for CVE-2023-24526 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-24526 being exploited?

There is no known exploitation of CVE-2023-24526 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-gv3m-g54h-56c6.