---
id: CVE-2022-24581
title: ACEweb Online Portal 3.5.065 allows unauthenticated SMB hash capture via UNC
summary: >-
  ACEweb Online Portal 3.5.065 allows unauthenticated SMB hash capture via UNC.
  By specifying the UNC file path of an external SMB share when uploading a
  file, an attacker can induce the victim server to disclose the username and
  password …
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-434
vendor: aceware
product: aceweb_online_portal
affected:
  - aceweb_online_portal < 3.5.065
patched:
  - aceweb_online_portal 3.5.065
published: '2022-06-02'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-24581'
references:
  - url: 'https://www.aceware.com/forum/viewtopic.php?f=7&t=481'
    label: cve@mitre.org
  - url: 'http://aceware.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://aceweb.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.aceware.com/forum/viewtopic.php?f=7&t=481'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00936
epssPercentile: 0.59337
ingestedAt: '2026-07-06T14:44:24.220Z'
---

## Overview

ACEweb Online Portal 3.5.065 allows unauthenticated SMB hash capture via UNC. By specifying the UNC file path of an external SMB share when uploading a file, an attacker can induce the victim server to disclose the username and password hash of the user executing the ACEweb Online software.

## Affected

- `aceweb_online_portal < 3.5.065`

## Remediation

Upgrade past the affected range:

- `aceweb_online_portal 3.5.065`