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CVE Record

CVE-2017-12128: An exploitable information disclosure vulnerability exists in the Server Agent functionality of Moxa EDR-81...

An exploitable information disclosure vulnerability exists in the Server Agent functionality of Moxa EDR-810 V4.1 build 17030317. A specially crafted TCP packet can cause information disclosure. An attacker can send a crafted TCP packet to trigger this vulnerability.

MediumCVSS 5.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2017-12128 is a remote information disclosure flaw in Moxa EDR-810 V4.1 build 17030317. An unauthenticated attacker can send a specially crafted TCP packet that may cause the Server Agent functionality to disclose information. The known impact is confidentiality only, not code execution or service outage.

Executive priority

Handle as a moderate-priority network exposure issue. It does not indicate takeover or disruption in the provided sources, but unauthenticated information disclosure on security infrastructure can support follow-on attacks if reachable from untrusted networks.

Technical view

The CVSS v3.0 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, scoring 5.3. The vulnerability affects Server Agent functionality in Moxa EDR-810 V4.1 build 17030317. The source bundle does not name affected ports, disclosed data types, patch versions, or additional affected builds.

Likely exposure

Exposure is likely limited to environments running Moxa EDR-810 V4.1 build 17030317 with the affected Server Agent reachable over TCP. Risk increases if the service is accessible from untrusted networks. The sources do not identify other affected products or versions.

Exploitation context

The sources describe remote, unauthenticated exploitation by a crafted TCP packet, but do not provide evidence of active exploitation. The CVE is not marked as CISA KEV in the bundle. Treat this as a reachable-device exposure issue rather than confirmed in-the-wild activity.

Researcher notes

The public bundle is sparse: no CWE, port, protocol field detail, patch version, or disclosed information type is provided. Analysis should stay tied to the Talos report and CVE record. Avoid broadening scope beyond Moxa EDR-810 V4.1 build 17030317 without vendor confirmation.

Mitigation direction

  • Check Moxa and Talos guidance for fixed firmware or vendor-approved mitigations.
  • Restrict access to EDR-810 Server Agent services to trusted management networks.
  • Remove internet exposure for affected devices where operationally possible.
  • Monitor network telemetry for unexpected traffic to affected EDR-810 services.
  • Plan replacement or upgrade if affected firmware cannot be remediated.

Validation and detection

  • Inventory Moxa EDR-810 devices and confirm firmware build numbers.
  • Determine whether any devices run V4.1 build 17030317.
  • Verify whether Server Agent functionality is reachable from untrusted networks.
  • Review firewall rules and segmentation around affected device management paths.
  • Check vendor advisories for current remediation status before closing the finding.
Prepared
Confidence
medium
Sources
3

Public sources used

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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CVE-2017-12128 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.3 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.3CVSS 3.0MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.3Medium
CVSS 3.0 vector shape for CVE-2017-12128Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
TalosMoxaMoxa EDR-810 V4.1 build 17030317Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.