Out-of-bounds read in Fuji Electric V-Server and V-Server Lite
Priority LOW 36CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Stack-based buffer overflow vulnerability in V-Server v4.0.15.0 and V-Server Lite v4.0.15.0 and earlier allows an attacker to execute arbitrary code by having user open a specially crafted VPR file.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00266 18th 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 |
|---|---|---|---|---|---|
| Fuji Electric | V-Server and V-Server Lite | up to v4.0.15.0 | — | No fix listed | CNA |
- V-Server and V-Server Lite VendorFuji Electric Affected up to v4.0.15.0 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fujielectric:v-server:4.0.15.0:*:*:*:*:*:*:* | 4.0.15.0 | Vulnerable | Fuji Electric |
| cpe:2.3:a:fujielectric:v-server:4.0.15.0:*:*:*:lite:*:*:* | 4.0.15.0 | Vulnerable | Fuji Electric |
- cpe:2.3:a:fujielectric:v-server:4.0.15.0:*:*:*:*:*:*:* Versions 4.0.15.0 Vulnerable ·Fuji Electric
- cpe:2.3:a:fujielectric:v-server:4.0.15.0:*:*:*:lite:*:*:* Versions 4.0.15.0 Vulnerable ·Fuji Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31239
- 2026-10-03 Alias added: GHSA-hpj7-4fx3-hmfp
References
More Fuji Electric V-server vulnerabilities
- TI-2019-13257 Heap-based buffer overflow in Fuji Electric V-Server 4.0.6 and prior CVSS 3.1CRITICAL 9.8
- TI-2019-02953 Insufficiently protected credentials in Fuji Electric V-Server CVSS 3.0CRITICAL 9.8
- TI-2021-05534 Heap-based buffer overflow in Tellus Lite V-Simulator and V-Server Lite CVSS 3.1HIGH 7.8
- TI-2021-05532 An uninitialized pointer issue has been identified in the way the application processes… CVSS 3.1HIGH 7.8
- TI-2021-05530 Stack-based buffer overflow in Tellus Lite V-Simulator and V-Server Lite CVSS 3.1HIGH 7.8
- TI-2018-07524 Buffer overflow in Fuji Electric V-Server Lite CVSS 3.0HIGH 7.8
Sources
- CVE-2023-31239 · CVE Program
- CVE-2023-31239 · NVD
- FIRST EPSS
- GHSA-hpj7-4fx3-hmfp · GitHub Advisory Database · CC BY 4.0
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