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CVE Record

CVE-2020-28580: A command injection vulnerability in AddVLANItem of Trend Micro InterScan Web Security Virtual Appliance 6....

A command injection vulnerability in AddVLANItem of Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an authenticated, remote attacker to send specially crafted HTTP messages and execute arbitrary OS commands with elevated privileges.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw could let a logged-in attacker turn a web security appliance into a command execution point. The affected product is Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2. The source bundle does not show active exploitation, but elevated command execution on a security gateway is business-relevant if the appliance remains deployed.

Executive priority

Treat as high priority where this appliance is still present. Command execution with elevated privileges on a security gateway can affect traffic inspection, availability, and trust boundaries, even though current exploitation evidence is not provided.

Technical view

CVE-2020-28580 is an authenticated remote command injection issue in AddVLANItem in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2. Crafted HTTP messages could execute arbitrary OS commands with elevated privileges. The provided metadata does not include CVSS, CWE, patch version, or detailed fixed-build information.

Likely exposure

Exposure appears limited to organizations running Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2, especially where authenticated administrative or management access is reachable over a network.

Exploitation context

The bundle describes authenticated remote command execution via crafted HTTP messages. CISA KEV status is false, and the supplied sources do not confirm active exploitation or public weaponized exploitation.

Researcher notes

Evidence is specific but incomplete. The CVE record identifies product, version, affected function, authentication requirement, and impact. It does not provide CVSS, CWE, fixed build, exploit maturity, or operational indicators in the supplied bundle.

Mitigation direction

  • Review Trend Micro advisory 000281954 for vendor-approved fixes or mitigations.
  • Prioritize updating or replacing affected 6.5 SP2 appliances per vendor guidance.
  • Restrict appliance management access to trusted administrative networks.
  • Review and tighten privileged accounts allowed to administer the appliance.
  • Monitor appliance and identity logs for suspicious authenticated administrative activity.

Validation and detection

  • Inventory environments for Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2.
  • Confirm whether the AddVLANItem-exposed management function is reachable to administrators only.
  • Check vendor advisory status against each appliance build and configuration.
  • Review recent authenticated appliance requests for unusual VLAN administration activity.
  • Validate network controls around management interfaces and administrative access paths.
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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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-28580 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
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 InterScan Web Security Virtual Appliance6.5 SP2Listed
Weakness

CWE details

No CWE listed

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