Code Injection in IBM i - CVE-2023-30990
Published: December 20, 2023 / Updated: September 5, 2025
Vulnerability identifier: #VU84594
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-30990
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to exploitation of DDM architecture. A remote attacker can execute CL commands as QUSER on the target system.
Affected software
IBM i
How to mitigate CVE-2023-30990
Install updates from vendor's website.