Is CVE-2004-1001 in the CISA KEV catalog?

No. CVE-2004-1001 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-1001?

CVE-2004-1001 has a CVSS v2 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2004-1001?

CVE-2004-1001 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2004-1001?

Upgrade shadow on debian 11 to 1:4.0.3-35 or later.

CVE & CISA-KEV Catalog

CVE-2004-1001

MEDIUM

4.6

CVSS v2

NVD

Description

Unknown vulnerability in the passwd_check function in Shadow 4.0.4.1, and possibly other versions before 4.0.5, allows local users to conduct unauthorized activities when an error from a pam_chauthtok function call is not properly handled.

How to fix

Remediation Available

shadowDebian

Fixed in:1:4.0.3-35CVE-2004-1001

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

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Other references4

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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.