IBM i Access Client Solutions information disclosure
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure, Spoofing
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-327 and CWE-384.
Summary
IBM i Access Client Solutions (ACS) 1.1.2 through 1.1.4 and 1.1.4.3 through 1.1.9.4 is vulnerable to NT LAN Manager (NTLM) hash disclosure by an attacker modifying UNC capable paths within ACS configuration files to point to a hostile server. If NTLM is enabled, the Windows operating system will try to authenticate using the current user's session. The hostile server could capture the NTLM hash information to obtain the user's credentials. IBM X-Force ID: 279091.
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-22318
- 2026-10-03 Alias added: GHSA-4c2f-665c-x845
References
More IBM I Access Client Solutions vulnerabilities
- TI-2026-11368 IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities CVSS 3.1CRITICAL 9.6
- TI-2023-24196 Insecure storage of sensitive information in IBM i Access Client Solutions CVSS 3.1HIGH 7.5
- TI-2026-11139 IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities CVSS 3.1HIGH 8.8
- TI-2026-06844 Injection in IBM i Access Family CVSS 3.1HIGH 8.8
- TI-2023-24197 IBM i Access Client Solutions code execution CVSS 3.1HIGH 8.8
- TI-2026-13918 IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities CVSS 3.1HIGH 7.8
Sources
- CVE-2024-22318 · CVE Program
- CVE-2024-22318 · NVD
- FIRST EPSS
- GHSA-4c2f-665c-x845 · GitHub Advisory Database · CC BY 4.0
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