Security readout for executives and security teams
An old flaw in the WebConfig component of MDaemon 3.1.1 and earlier lets a remote attacker crash the service, and possibly run code on it, by sending a very long URL. It affects a legacy mail server admin interface from 2000, so risk today depends on whether any unpatched, internet-exposed instance still exists. Exposure today is expected to be very low. MDaemon 3.1.1 was released around 2000 and has been superseded by many major versions. Impact is limited to organizations still running an unsupported MDaemon build with the WebConfig service reachable from untrusted networks. Low priority for most organizations because the affected product is a 25-year-old release. Priority becomes high only if inventory confirms a legacy MDaemon 3.x server is still operating, especially if its administration interface is reachable from the internet. Mitigation focus: Upgrade MDaemon to a currently supported vendor release.; Restrict WebConfig access to trusted management networks or VPN only.; Disable the WebConfig service if it is not required for administration..
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-2000-1021 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
- mdaemon-url-dos(5250)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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