Is CVE-2004-0833 in the CISA KEV catalog?

No. CVE-2004-0833 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-0833?

CVE-2004-0833 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2004-0833?

CVE-2004-0833 has an EPSS score of 2.51% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2004-0833?

Upgrade sendmail on debian 11 to 8.13.1-13 or later.

CVE & CISA-KEV Catalog

CVE-2004-0833

HIGHEPSS 83th pctl

7.5

CVSS v2

NVD

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.

How to fix

Remediation Available

sendmailDebian

Fixed in:8.13.1-13CVE-2004-0833

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.51%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch2

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.