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Vulnerability record · CVE-2004-0009 · published 3 March 2004

CVE-2004-0009: Apache-ssl vulnerability

Apache Ssl · Apache Ssl

Apache-SSL 1.3.28+1.52 and earlier, with SSLVerifyClient set to 1 or 3 and SSLFakeBasicAuth enabled, allows remote attackers to forge a client certificate by using basic authentication with the "one-line DN" of the target user.

7.5 CVSS 2.0 High EPSS 1.2% · top 34.0%
7.5CVSS 2.0 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Apache-SSL 1.3.28+1.52 and earlier, with SSLVerifyClient set to 1 or 3 and SSLFakeBasicAuth enabled, allows remote attackers to forge a client certificate by using basic authentication with the "one-line DN" of the target user.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016870.html
http://marc.info/?l=bugtraq&m=107619127531765&w=2
http://www.apache-ssl.org/advisory-20040206.txt
http://www.osvdb.org/3877
http://www.securityfocus.com/bid/9590 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15065
http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016870.html
http://marc.info/?l=bugtraq&m=107619127531765&w=2
http://www.apache-ssl.org/advisory-20040206.txt
http://www.osvdb.org/3877
http://www.securityfocus.com/bid/9590 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15065

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2008-0555Apache-ssl improper input validation vulnerabilityThe ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (…EPSS 1.9%7.5CVE-2002-0082Apache-ssl vulnerabilityThe dbm and shm session cache code in mod_ssl before 2.8.7-1.3.23, and Apache-SSL before 1.3.22+1.46, does not properly initialize memory using the i…EPSS 30%

Source: NIST National Vulnerability Database (record CVE-2004-0009), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.