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.
Conclusion & alert: CVE-2022-24581 is rated Moderate Risk (50.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.39%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-06-13 | 0.48% | 0.39% | -0.09% |
| 2 | 2025-06-12 | 0.36% | 0.48% | +0.12% |
| 3 | 2025-03-30 | — | 0.36% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| aceware | aceweb_online_portal | < 3.5.065 | cpe:2.3:a:aceware:aceweb_online_portal:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://aceware.com | Product |
| http://aceweb.com | Product |
| https://www.aceware.com/forum/viewtopic.php?f=7&t=481 | Release Notes Vendor Advisory |