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CVE Record

CVE-2018-6237: A vulnerability in Trend Micro Smart Protection Server (Standalone) 3.x could allow an unauthenticated remo...

A vulnerability in Trend Micro Smart Protection Server (Standalone) 3.x could allow an unauthenticated remote attacker to manipulate the product to send a large number of specially crafted HTTP requests to potentially cause the file system to fill up, eventually causing a denial of service (DoS) situation.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Trend Micro Smart Protection Server Standalone 3.x can be manipulated by an unauthenticated remote attacker to generate many crafted HTTP requests. The stated impact is filesystem exhaustion that can lead to denial of service. This affects a security infrastructure component, so outages may reduce protection services for dependent endpoints.

Executive priority

Treat as a near-term resilience issue for legacy Trend Micro security infrastructure. Prioritize if affected servers support production endpoint protection or have broad network exposure.

Technical view

CVE-2018-6237 affects Trend Micro Smart Protection Server Standalone versions 3.0, 3.1, 3.2, and 3.3. Sources describe unauthenticated remote triggering of large volumes of specially crafted HTTP requests, potentially filling the filesystem and causing DoS. No CVSS, CWE, patch detail, or exploitation evidence is provided in the bundle.

Likely exposure

Exposure is likely limited to organizations still running Smart Protection Server Standalone 3.0 through 3.3, especially where HTTP interfaces are reachable from broad internal networks or the internet.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. Tenable and Trend Micro are listed as references, but the provided bundle only supports a remote unauthenticated DoS risk, not public exploitation status.

Researcher notes

Evidence is narrow: affected versions and DoS mechanism are stated, but severity scoring, CWE mapping, fixed versions, and exploitation telemetry are absent from the provided bundle. Avoid assuming confidentiality or code execution impact.

Mitigation direction

  • Identify any Smart Protection Server Standalone 3.0, 3.1, 3.2, or 3.3 deployments.
  • Review Trend Micro solution 1119715 for vendor-supported fixes, upgrades, or workarounds.
  • Restrict HTTP access to trusted management and internal service networks.
  • Monitor filesystem utilization and alert on abnormal growth.
  • Prepare recovery capacity for affected security-service hosts.

Validation and detection

  • Confirm product edition is Standalone, not another Trend Micro component.
  • Record exact Smart Protection Server version from inventory or administrator console.
  • Check whether HTTP interfaces are reachable from untrusted networks.
  • Review filesystem growth, HTTP request volume, and service availability logs.
  • Confirm remediation status against Trend Micro’s published guidance.
Prepared
Confidence
medium
Sources
4

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-2018-6237 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Trend MicroTrend Micro Smart Protection Server (Standalone)3.0, 3.1, 3.2, 3.3Listed
Weakness

CWE details

No CWE listed

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