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Fencer Vulns
high 7.5

CVE-2019-3946 json

Fuji Electric V-Server before 6.0.33.0 is vulnerable to denial of service via a crafted UDP message sent to port 8005.

published 2019-06-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13553

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

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.

Patch / fix

  • fujielectric v-server 6.0.33.0

Exploit prediction

2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • tenable.com https://www.tenable.com/security/research/tra-2019-27 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a Fuji Electric V-Server

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.