Fuji Electric V-Server before 6.0.33.0 is vulnerable to denial of service via a crafted UDP message sent to port 8005.
Fuji Electric V-Server before 6.0.33.0 is vulnerable to denial of service via a crafted UDP message sent to port 8005. An unauthenticated, remote attacker can crash vserver.exe due to an integer overflow in the UDP message handling logic.
- Published
- Jun 12, 2019
- Updated
- Jun 16, 2026
- EPSS
- 2.3% · 83th percentile
- CWE
- CWE-190
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.3%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| fujielectric | v-server | cpe:2.3:a:fujielectric:v-server |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- fujielectric v-serverbefore 6.0.33.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (tenable). Independent of NVD's CPE analysis and usually ahead of it.
n/a Fuji Electric V-Server
- Versions prior to 6.0.33.0affected
Same product
fujielectric: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-18240In Fuji Electric V-Server 4.0.6 and prior, several heap-based buffer overflows have been identified, which may allow an attacker to remotely43Plan
- CVE-2019-3947Fuji Electric V-Server before 6.0.33.0 stores database credentials in project files as plaintext.39Monitor
- CVE-2021-22641A heap-based buffer overflow issue has been identified in the way the application processes project files, allowing an attacker to craft a s32Monitor
- CVE-2021-22639An uninitialized pointer issue has been identified in the way the application processes project files, allowing an attacker to craft a speci32Monitor
- CVE-2021-22637Multiple stack-based buffer overflow issues have been identified in the way the application processes project files, allowing an attacker to32Monitor
- CVE-2018-10637A maliciously crafted project file may cause a buffer overflow, which may allow the attacker to execute arbitrary code that affects Fuji Ele32Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
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Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-190 · Integer Overflow or WraparoundCVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
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Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.