What is CVE-2023-37491?

CVE-2023-37491 is a high-severity vulnerability in Sap Message Server, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2023-08-08.

How severe is CVE-2023-37491?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Sap Message Server

CVE-2023-37491

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.

Vulnerability class: Broken Access Control

EPSS: 0.004 (36.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sap Message_server — versions kernel_7.22, kernel_7.53, kernel_7.54
Sap_se Sap Message Server — versions KERNEL 7.22, KERNEL 7.53, KERNEL 7.54

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cna@sap.com (Permissions Required)
cna@sap.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-37491?: CVE-2023-37491 is a high-severity vulnerability in Sap Message Server, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2023-08-08.
How severe is CVE-2023-37491?: High severity. CVSS v3 base score is 7.5 out of 10.