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.
Security readout for executives and security teams
Plain-English summary
ACEweb Online Portal 3.5.065 can be tricked into connecting to an external SMB share during upload handling. That may expose the username and password hash of the account running the software. The CVE does not provide a CVSS score, confirmed patch details, or active exploitation evidence.
Executive priority
Treat this as a credential exposure risk, not just an application bug. Prioritize internet-facing deployments and servers with permissive outbound SMB, then confirm vendor remediation and reduce exposed credential impact.
Technical view
The reported issue is an unauthenticated SMB hash capture condition caused by accepting a UNC file path during file upload. When the server processes that path, it may authenticate to an attacker-controlled SMB location and disclose the executing user’s credential hash.
Likely exposure
Exposure appears limited to ACEweb Online Portal 3.5.065 deployments, especially systems reachable by unauthenticated users and allowed to initiate outbound SMB connections to external hosts.
Exploitation context
The CVE source describes unauthenticated hash disclosure via UNC path handling. The provided sources do not state active exploitation, public exploit availability, CVSS scoring, or CISA KEV listing.
Researcher notes
Evidence is sparse: the CVE description and ACEware forum reference identify the behavior, but no CVSS, CWE, affected CPE, patch version, or exploitation telemetry is included in the supplied bundle.
Mitigation direction
Check ACEware guidance for the supported fix or upgrade path.
Block outbound SMB from the portal host to untrusted networks.
Restrict portal access to trusted networks until remediation is confirmed.
Run the software with a least-privileged dedicated account.
Rotate exposed service credentials if compromise is suspected.
Validation and detection
Inventory ACEweb Online Portal installations and confirm version 3.5.065 exposure.
Review firewall rules for outbound SMB from the web server.
Check application and network logs for unexpected external SMB connections.
Confirm the service account has minimal privileges.
Track ACEware guidance for patch or configuration instructions.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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description · low confidence lookup
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
0CVSS vectors
3Timeline events
1ADP providers
2Source links
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
CVE publishedCVE Program
The CVE record was published.
May 27, 2022, 18:29 UTC (UTC+00:00)
CVE updatedCVE Program
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