CVE-2004-1006

Format string vulnerability in the log functions in dhcpd for dhcp 2.x allows remote DNS servers to execute arbitrary code via certain DNS messages, a different vulnerability than CVE-2002-0702.

Published: 2005-03-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-1006 is rated High Risk (73.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 7.97%, 94th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-1006

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.66% 7.97% +0.31%
2 2025-03-30 25.99% 7.66% -18.33%
3 2025-03-29 — 25.99% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1006

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-1006

OS Trackers for CVE-2004-1006

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2004-1006
ubuntu medium CVE-2004-1006 medium priority: Ubuntu including 1 source packages (dhcp), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2004-1006

Affected software / configurations for CVE-2004-1006

Vendor Product Version Raw CPE
isc dhcpd 2.0.pl5 cpe:2.3:a:isc:dhcpd:2.0.pl5:*:*:*:*:*:*:*
isc dhcpd 3.0 cpe:2.3:a:isc:dhcpd:3.0:*:*:*:*:*:*:*
isc dhcpd 3.0 cpe:2.3:a:isc:dhcpd:3.0:rc12:*:*:*:*:*:*
isc dhcpd 3.0 cpe:2.3:a:isc:dhcpd:3.0:rc4:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc1:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc10:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc11:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc12:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc13:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc14:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc2:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc3:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc4:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc5:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc6:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc7:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc8:*:*:*:*:*:*
isc dhcpd 3.0.1 cpe:2.3:a:isc:dhcpd:3.0.1:rc9:*:*:*:*:*:*
isc dhcpd 3.0_b2pl9 cpe:2.3:a:isc:dhcpd:3.0_b2pl9:*:*:*:*:*:*:*
isc dhcpd 3.0_b2pl23 cpe:2.3:a:isc:dhcpd:3.0_b2pl23:*:*:*:*:*:*:*
isc dhcpd 3.0_pl1 cpe:2.3:a:isc:dhcpd:3.0_pl1:*:*:*:*:*:*:*
isc dhcpd 3.0_pl2 cpe:2.3:a:isc:dhcpd:3.0_pl2:*:*:*:*:*:*:*

References for CVE-2004-1006

cvelogic Threat Intelligence