Security readout for executives and security teams
This is a legacy Trend Micro InterScan VirusWall SMTP gateway flaw. A malformed HELO greeting could overflow memory and may allow arbitrary code execution. Business risk is mainly for organizations still running NT-era mail gateway software, especially if exposed to the internet. Likely exposure is limited to legacy environments running Trend Micro InterScan VirusWall SMTP gateway 3.23 or 3.3 for NT. Risk increases if the SMTP gateway accepts external mail traffic directly. Treat as high priority only if this legacy gateway still exists. The vulnerability is old, but the potential impact is severe because it may allow code execution on a mail security gateway. Mitigation focus: Inventory mail gateways for InterScan VirusWall SMTP gateway 3.23 or 3.3 for NT.; Retire or replace any affected NT-era mail gateway still in service.; Check Trend Micro guidance and apply only vendor-supported patches or upgrades..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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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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 lookupCVE-1999-1529 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- viruswall-helo-bo(3465)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.