// For flags

CVE-2023-37491

Improper Authorization check vulnerability in SAP Message Server

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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.

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-07-06 CVE Reserved
  • 2023-08-08 CVE Published
  • 2024-10-22 CVE Updated
  • 2025-01-18 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-285: Improper Authorization
  • CWE-863: Incorrect Authorization
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 kernel_7.22
Search vendor "Sap" for product "Message Server" and version "kernel_7.22"
-
Affected
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 kernel_7.53
Search vendor "Sap" for product "Message Server" and version "kernel_7.53"
-
Affected
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 kernel_7.54
Search vendor "Sap" for product "Message Server" and version "kernel_7.54"
-
Affected
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 kernel_7.77
Search vendor "Sap" for product "Message Server" and version "kernel_7.77"
-
Affected
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 krnl64nuc_7.22
Search vendor "Sap" for product "Message Server" and version "krnl64nuc_7.22"
-
Affected
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 krnl64nuc_7.22ex
Search vendor "Sap" for product "Message Server" and version "krnl64nuc_7.22ex"
-
Affected
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 rnl64uc_7.22
Search vendor "Sap" for product "Message Server" and version "rnl64uc_7.22"
-
Affected
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 rnl64uc_7.22ext
Search vendor "Sap" for product "Message Server" and version "rnl64uc_7.22ext"
-
Affected
Sap
Search vendor "Sap"
 Message Server
Search vendor "Sap" for product "Message Server"
 rnl64uc_7.53
Search vendor "Sap" for product "Message Server" and version "rnl64uc_7.53"
-
Affected