CVE-2023-37491 Improper Authorization check vulnerability in SAP Message Server

High 7.5 Published Updated

An authenticated attacker can bypass ACLs to access the SAP network, enabling unauthorized data read/write and system 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-2023-37491?

CVE-2023-37491 is a high-severity missing authorization vulnerability in SAP_SE SAP Message Server, published on 8 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The ACL (Access Control List) of SAP Message Server - versions KERNEL 7.22, KERNEL 7.53, KERNEL 7.54, KERNEL 7.77, RNL64UC 7.22, RNL64UC 7.22EXT, RNL64UC 7.53, KRNL64NUC 7.22, KRNL64NUC 7.22EXT, can be bypassed in certain conditions, which may enable an authenticated malicious user to enter the network of the SAP systems served by the attacked SAP Message server. This may lead to unauthorized read and write of data as well as rendering the system unavailable.

Weakness: CWE-863

Which versions are affected by CVE-2023-37491?

It affects 1 product.

Products include Sap Message Server.

How do I fix CVE-2023-37491?

No fix has been published for CVE-2023-37491 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-2023-37491 being exploited?

There is no known exploitation of CVE-2023-37491 in the wild and no public exploit code.

Sources

Also known as GHSA-97gq-4jqf-cvgm.

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