Security readout for executives and security teams
A very old email server called XMail had a flaw in versions before 0.59 that let attackers on the internet crash it or take control by sending an oversized login command. In plain terms, a stranger could gain remote command execution on the mail server without any account. Modern environments almost never run this software, but any legacy system still exposed on port 110 would be at serious risk. Exposure is limited today because XMail is niche legacy software and the fix has existed since September 2000. Risk is concentrated in unmaintained mail hosts still running XMail below 0.59 with POP3 (TCP/110) reachable from untrusted networks. There is no indication the flaw affects modern mail platforms. Priority is low for most organizations because the software is uncommon and a fix has existed for 25 years, but priority becomes high if any legacy XMail host is still in production. Confirm through asset inventory rather than assumption, and decommission or upgrade anything found. Mitigation focus: Upgrade XMail to version 0.59 or later as directed by the vendor advisory.; Retire XMail deployments in favor of a maintained mail server if upgrade is not feasible.; Restrict inbound TCP/110 (POP3) to trusted networks or VPN..
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-2000-0841 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
- xmail-long-apop-bo(5191)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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