IBM i privilege escalation
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.
Summary
Backup, Recovery, and Media Services (BRMS) for IBM i 7.2, 7.3, and 7.4 contains a local privilege escalation vulnerability. A malicious actor with command line access to the host operating system can elevate privileges to gain component access to the host operating system. IBM X-Force ID: 263583.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | i | 7.2, 7.3, 7.4 | — | No fix listed | CNA |
- i VendorIBM Affected 7.2, 7.3, 7.4 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-40377
- 2026-10-03 Alias added: GHSA-m3gw-cj93-vpfv
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-2023-40377 · CVE Program
- CVE-2023-40377 · NVD
- FIRST EPSS
- GHSA-m3gw-cj93-vpfv · GitHub Advisory Database · CC BY 4.0
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