CVE-2004-0423

CVE-2004-0423 is a low-severity vulnerability in Ssmtp with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The log_event function in ssmtp 2.50.6 and earlier allows local users to overwrite arbitrary files via a symlink attack on the ssmtp.log temporary log file.

Frequently asked questions

What is CVE-2004-0423?
The log_event function in ssmtp 2.50.6 and earlier allows local users to overwrite arbitrary files via a symlink attack on the ssmtp.log temporary log file.
How severe is CVE-2004-0423?
CVE-2004-0423 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2004-0423 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0423?
CVE-2004-0423 affects Ssmtp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0423?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0423 published?
CVE-2004-0423 was published on 2004-07-07 and last updated on 2026-06-16.

References

Affected products (1)

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