CVE-2023-47584

Code execution via out-of-bounds VPR file write

Published Nov 15, 2023 · Updated Aug 29, 2024

Out-of-bounds write in Fuji Electric V-Server and V-Server Lite 4.0.18.0 and earlier allows attackers to execute code via a crafted VPR file. Public advisories identify VPR file parsing as the trigger but do not disclose the affected parser or unchecked write operation. Exploitation requires a user to open the file and can also disclose information or interrupt the application.

CVSS severity7.8
High
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Fuji Electric V-Server and V-Server Lite 4.0.18.0 and earlier allows attackers to execute code via a crafted VPR file. Public advisories identify VPR file parsing as the trigger but do not disclose the affected parser or unchecked write operation. Exploitation requires a user to open the file and can also disclose information or interrupt the application.

The record

CVE
CVE-2023-47584
Published
Nov 15, 2023
Updated
Aug 29, 2024
Vendor
Fuji Electric
Product
V-Server
Classifications
CWE-787, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 15, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=V4.0.18.0 and earlier

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Fuji Electric · V-Serverversion=V4.0.18.0 and earlier
Fuji Electric · V-Server Liteversion=0 <V4.0.18.0; version=V4.0.18.0 and earlier

Published CVSS scores

7.8NISTCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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