Out-of-bounds write in Fuji Electric V-Server
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- 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-787 and the CVSS impact.
Summary
Multiple heap-based buffer overflow vulnerabilities exist in V-Server V4.0.18.0 and earlier and V-Server Lite V4.0.18.0 and earlier. If a user opens a specially crafted VPR file, information may be disclosed and/or arbitrary code may be executed.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00287 21st 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 | up to V4.0.18.0 | — | No fix listed | CNA |
| Fuji Electric | V-Server Lite | up to V4.0.18.0 | — | No fix listed | CNA |
- V-Server VendorFuji Electric Affected up to V4.0.18.0 Fixed in — No fix listed CNA
- V-Server Lite VendorFuji Electric Affected up to V4.0.18.0 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fujielectric:v-server:*:*:*:*:-:*:*:* | up to 4.0.18.0 | Vulnerable | Fuji Electric |
| cpe:2.3:a:fujielectric:v-server:*:*:*:*:lite:*:*:* | up to 4.0.18.0 | Vulnerable | Fuji Electric |
- cpe:2.3:a:fujielectric:v-server:*:*:*:*:-:*:*:* Versions up to 4.0.18.0 Vulnerable ·Fuji Electric
- cpe:2.3:a:fujielectric:v-server:*:*:*:*:lite:*:*:* Versions up to 4.0.18.0 Vulnerable ·Fuji Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47586
- 2026-10-03 Alias added: GHSA-fvw4-2h97-63gw
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-2023-47586 · CVE Program
- CVE-2023-47586 · NVD
- FIRST EPSS
- GHSA-fvw4-2h97-63gw · 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