CVE-2023-37491: SAP Message Server

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• SAP Message Server: version kernel_7.22 only; version kernel_7.53 only; version kernel_7.54 only; version kernel_7.77 only; version krnl64nuc_7.22 only; version krnl64nuc_7.22ex only; …

Published 2023-08-08. Last modified 2026-06-17.