CVE-2004-0833

CVE-2004-0833 is a high-severity vulnerability in Debian Debian Linux with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Sendmail before 8.12.3 on Debian GNU/Linux, when using sasl and sasl-bin, uses a Sendmail configuration script with a fixed username and password, which could allow remote attackers to use Sendmail as an open mail relay and send spam messages.

Frequently asked questions

What is CVE-2004-0833?
Sendmail before 8.12.3 on Debian GNU/Linux, when using sasl and sasl-bin, uses a Sendmail configuration script with a fixed username and password, which could allow remote attackers to use Sendmail as an open mail relay and send spam messages.
How severe is CVE-2004-0833?
CVE-2004-0833 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-0833 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0833?
CVE-2004-0833 primarily affects Debian Debian Linux. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0833?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-0833 published?
CVE-2004-0833 was published on 2004-12-23 and last updated on 2026-06-16.

References

Affected products (12)

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