Buffer overflow in NEC Corporation CLUSTERPRO X
Priority MEDIUM 46CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Buffer overflow vulnerability in CLUSTERPRO X 5.0 for Windows and earlier, EXPRESSCLUSTER X 5.0 for Windows and earlier, CLUSTERPRO X 5.0 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 5.0 SingleServerSafe for Windows and earlier allows a remote unauthenticated attacker to overwrite existing files on the file system and to potentially execute arbitrary code.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01637 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| NEC Corporation | CLUSTERPRO X | CLUSTERPRO X 5.0 for Windows and earlier, EXPRESSCLUSTER X 5.0 for Windows and earlier, CLUSTERPRO X 5.0 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 5.0 SingleServerSafe for Windows and earlier | — | No fix listed | CNA |
- CLUSTERPRO X VendorNEC Corporation Affected CLUSTERPRO X 5.0 for Windows and earlier, EXPRESSCLUSTER X 5.0 for Windows and earlier, CLUSTERPRO X 5.0 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 5.0 SingleServerSafe for Windows and earlier Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nec:expresscluster_x:*:*:*:*:*:windows:*:* | up to 5.0 | Vulnerable | NEC Corporation |
| cpe:2.3:a:nec:expresscluster_x_singleserversafe:*:*:*:*:*:windows:*:* | up to 5.0 | Vulnerable | NEC Corporation |
- cpe:2.3:a:nec:expresscluster_x:*:*:*:*:*:windows:*:* Versions up to 5.0 Vulnerable ·NEC Corporation
- cpe:2.3:a:nec:expresscluster_x_singleserversafe:*:*:*:*:*:windows:*:* Versions up to 5.0 Vulnerable ·NEC Corporation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-34823
- 2026-10-03 Alias added: GHSA-qq8m-wq89-2wqp
References
More NEC Corporation Expresscluster X vulnerabilities
- TI-2020-13174 XML external entity injection in NEC Corporation ExpressCluster CVSS 3.1HIGH 7.5
- TI-2022-15632 Uncontrolled search path in NEC Corporation CLUSTERPRO X CVSS 3.1CRITICAL 9.8
- TI-2022-15631 Incorrect default permissions in NEC Corporation CLUSTERPRO X CVSS 3.1CRITICAL 9.8
- TI-2022-15629 Path traversal in NEC Corporation CLUSTERPRO X CVSS 3.1CRITICAL 9.8
- TI-2021-03930 Buffer overflow in NEC Corporation CLUSTERPRO X CVSS 3.1CRITICAL 9.8
- TI-2021-03929 Buffer overflow in NEC Corporation CLUSTERPRO X CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-34823 · CVE Program
- CVE-2022-34823 · NVD
- FIRST EPSS
- GHSA-qq8m-wq89-2wqp · GitHub Advisory Database · CC BY 4.0
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