Security readout for executives and security teams
A local user on a system running nullmailer 1.00RC5 or earlier could trigger an error by sending mail to a nonexistent local account. The reported impact is service-wide mail delivery failure, meaning legitimate users may stop receiving outbound mail until the condition is resolved. Exposure is likely limited to legacy Unix/Linux systems still running nullmailer 1.00RC5 or earlier, especially shared hosts where untrusted local users can submit mail. Modern environments are unlikely to be affected unless old packages remain deployed. Treat as a legacy hygiene issue unless affected nullmailer hosts support important alerting, billing, or operational email. Prioritize remediation on shared systems and systems whose mail delivery failure could hide security or business events. Mitigation focus: Identify systems running nullmailer and record package versions.; Check Debian DSA-198 and current vendor guidance for fixed packages.; Upgrade or replace nullmailer where affected versions remain installed..
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-2002-1313 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
- nullmailer-nonexistent-user-dos(10649)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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