Security readout for executives and security teams
An old flaw in Ipswitch IMail's IMONITOR web tool let a remote attacker overload the server by repeatedly calling the status.cgi script. Enough requests could exhaust resources and knock the monitoring interface (and potentially adjacent services) offline. It is a denial-of-service issue disclosed in 2000 that only matters if you still run legacy IMail versions from that era. Very limited in 2026. Only environments still running late-1990s/early-2000s Ipswitch IMail with IMONITOR reachable over the network are exposed. Modern IMail releases and any perimeter that blocks arbitrary CGI access effectively remove exposure. Internet-facing legacy IMail servers would be the realistic worry. Low priority for most organizations. Address only if legacy IMail servers still exist in the estate; otherwise track as informational. No customer-facing urgency and no evidence of active exploitation cited in the sources. Mitigation focus: Inventory any remaining Ipswitch IMail servers and confirm the IMONITOR component is disabled or upgraded.; Restrict access to status.cgi and IMONITOR endpoints to trusted management networks only.; Upgrade legacy IMail installations to a current vendor-supported release per Ipswitch guidance..
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-2000-0056 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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