CVE-2004-0423: n/a vulnerability

Security readout for executives and security teams

CVE-2004-0423 is a local file overwrite issue in ssmtp 2.50.6 and earlier. A local user could abuse unsafe temporary log file handling to overwrite files through a symlink. This mainly matters on legacy systems where untrusted users can log in or execute local code. Exposure is likely limited to legacy hosts running ssmtp 2.50.6 or earlier, especially multi-user systems or systems where local code execution is possible. Modern environments not using ssmtp, or using vendor-maintained packages beyond the affected range, are less likely exposed. Treat this as a legacy hygiene issue unless affected multi-user systems are still present. It is not remotely exploitable based on the provided evidence, but arbitrary file overwrite can support privilege escalation or service disruption after local access. Mitigation focus: Inventory systems for ssmtp 2.50.6 or earlier.; Check vendor package guidance for fixed or unsupported ssmtp builds.; Upgrade or replace ssmtp with a maintained mail-sending component..

Prepared: Jun 30, 2026, 05:56 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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CVE-2004-0423 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 20, 2004, 04:00 UTC (UTC+00:00)

Official CVE source material

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.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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CVE-2004-0423: The log_event function in ssmtp 2.50.6 and earlier allows local users to overwrite arbitrary files via a sy...