CVE-2023-32757Network attack vector

Unauthenticated code execution via unrestricted file upload

Published Aug 25, 2023 · Updated Oct 2, 2024

Unrestricted file upload in e-Excellence U-Office Force 20.0.7668D allows remote attackers to execute arbitrary code or interrupt service. The file-upload function accepts arbitrary file types without validating or restricting dangerous content before storing it on the server. Exploitation requires the web service and UOF application to be externally reachable; no authentication is required.

CVSS severity9.8
Critical
EPSS probability0.93%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Unrestricted file upload in e-Excellence U-Office Force 20.0.7668D allows remote attackers to execute arbitrary code or interrupt service. The file-upload function accepts arbitrary file types without validating or restricting dangerous content before storing it on the server. Exploitation requires the web service and UOF application to be externally reachable; no authentication is required.

The record

CVE
CVE-2023-32757
Published
Aug 25, 2023
Updated
Oct 2, 2024
Vendor
e-Excellence Inc.
Product
U-Office Force
Classifications
CWE-434, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=20.0.7668D

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

e-Excellence Inc. · U-Office Forceversion=20.0.7668D

Published CVSS scores

9.8TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:N/UI:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1190Exploit Public-Facing Application

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo