CVE-2023-26273: 
IBM QRadar SIEM vulnerability analysis and mitigation

IBM QRadar SIEM version 7.5.0 through 7.5.0 UP5 contains a vulnerability (CVE-2023-26273) that could allow an authenticated user to perform unauthorized actions due to hazardous input validation. The vulnerability was disclosed and patched in June 2023, with IBM X-Force ID: 248134 (IBM Security Bulletin).

The vulnerability is classified as an Improper Input Validation (CWE-20) issue. It has been assigned a CVSS v3.1 Base Score of 4.3 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N, indicating network accessibility, low attack complexity, required low privileges, no user interaction, unchanged scope, no confidentiality impact, low integrity impact, and no availability impact (NVD).

The vulnerability allows authenticated users to perform unauthorized actions in the system. While the confidentiality and availability of the system remain unaffected, there is a low impact on system integrity (IBM Security Bulletin).

IBM has released a patch in QRadar SIEM version 7.5.0 UP6 to address this vulnerability. No workarounds are available, and IBM recommends customers update their systems promptly to the latest version (IBM Security Bulletin).