Security readout for executives and security teams
A very old flaw in McAfee WebShield SMTP 4.5, an email gateway product from 2000, let a remote attacker crash the service by sending a malformed recipient field in an email. In plain terms, a specially shaped email could knock the mail security scanner offline, disrupting email flow until it was restarted. Exposure today is minimal. WebShield SMTP 4.5 is a legacy 2000-era product that has been end-of-life for many years and is highly unlikely to be found in modern environments. Any residual exposure would be limited to unpatched, unsupported email gateways still reachable via SMTP. Very low priority for modern environments. Only act if legacy McAfee WebShield SMTP 4.5 gateways are still deployed; in that case, replacement of the unsupported product is the meaningful risk-reduction step, not a point patch. Mitigation focus: Confirm no McAfee WebShield SMTP 4.5 instances remain in the mail path; retire any legacy gateways.; Migrate to a currently supported secure email gateway with vendor maintenance.; Restrict inbound SMTP to trusted relays and enforce recipient validation upstream..
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
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CVE-2000-1129 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
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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
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CWE details
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