Improper privilege management in IBM i
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.
Summary
IBM i 7.4 users who have done a Restore User Profile (RSTUSRPRF) on a system which has been configured with Db2 Mirror for i might have user profiles with elevated privileges caused by incorrect processing during a restore of multiple user profiles. A user with restore privileges could exploit this vulnerability to obtain elevated privileges on the restored system. IBM X-Force ID: 165592.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-4536
- 2026-10-03 Alias added: GHSA-rg5x-cqqj-3xmv
References
More IBM I vulnerabilities
- TI-2024-18115 IBM i privilege escalation CVSS 3.1HIGH 7.8
- TI-2026-14283 IBM i is Affected By Remote Code Execution Vulnerability in Line Printer Daemon [] CVSS 3.1CRITICAL 9.8
- TI-2023-14729 IBM i command execution CVSS 3.1CRITICAL 9.8
- TI-2026-14279 IBM i is Affected By Denial of Service Vulnerabilities in NFS [, ] CVSS 3.1CRITICAL 9.1
- TI-2026-14196 IBM i is Affected By Denial of Service Vulnerabilities in NFS [, ] CVSS 3.1CRITICAL 9.1
- TI-2026-13994 IBM i is Affected By Multiple Vulnerabilities in Simple Mail Transfer Protocol CVSS 3.1CRITICAL 9.1
Sources
- CVE-2019-4536 · CVE Program
- CVE-2019-4536 · NVD
- FIRST EPSS
- GHSA-rg5x-cqqj-3xmv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences