Review reviewHigh

CVE-2022-24581

aceweb online portal

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.

CVSS
7.5
EPSS
0.90%
56.2% percentile
CISA KEV
Not listed
Published
2022.06.02
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.90%
Technical severityCVSS 7.5

Vulnerability 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 product and versions

Product
aceweb online portal
Affected versions
< 3.5.065
Fixed versions
3.5.065

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that aceweb online portal and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-434