Security readout for executives and security teams
A flaw in the WorldClient web interface of MDaemon email server (versions 3.1.1 and earlier) lets a remote attacker crash the service, and possibly run commands, by sending an overly long URL. For organizations still running this legacy mail platform, an unauthenticated outsider could disrupt webmail access. Exposure is limited to organizations still operating MDaemon 3.1.1 or earlier with WorldClient reachable from untrusted networks. Given the software's age, current production exposure is expected to be rare, though legacy or forgotten deployments remain possible. Low-to-moderate priority for most organizations because the affected software is over two decades old. It becomes urgent only if inventory confirms a legacy MDaemon 3.x server still handles mail, in which case upgrade or isolation should be scheduled promptly. Mitigation focus: Upgrade MDaemon to a currently supported vendor release rather than any 3.x build.; Restrict WorldClient HTTP access to trusted networks or VPN until upgraded.; Place WorldClient behind a reverse proxy or WAF that enforces URL length limits..
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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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
- mdaemon-url-dos(5250)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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