Vulnerability Report

CVE-2004-2761

Title: Ietf X.509 Certificate Cryptographic Failures

Other

Proof Of Concept

PoC Available for CVE-2004-2761

CWE Category CWE-310

Published Date Jan 05, 2009

Modified Date May 28, 2026

Exploit Status Available

Score 9.8 CVSS v2.0

Exploit Probability (EPSS)

8.46%

Vulnerability Summary

CVE-2004-2761: The MD5 Message-Digest Algorithm is not collision resistant, which makes it easier for context-dependent attackers to conduct spoofing attacks, as demonstrated by attacks on the use of MD5 in the signature algorithm of an X.509 certificate.

Impacted Vendors

ietf 2

Reference Links

http://blog.mozilla.com/security/2008/12/30/md5-weaknesses-could-lead-to-certificate-forgery/ http://blogs.technet.com/swi/archive/2008/12/30/information-regarding-md5-collisions-problem.aspx http://secunia.com/advisories/33826 http://secunia.com/advisories/34281 http://secunia.com/advisories/42181 http://securityreason.com/securityalert/4866 http://securitytracker.com/id?1024697 http://www.cisco.com/en/US/products/products_security_response09186a0080a5d24a.html http://www.doxpara.com/research/md5/md5_someday.pdf http://www.kb.cert.org/vuls/id/836068 http://www.microsoft.com/technet/security/advisory/961509.mspx http://www.phreedom.org/research/rogue-ca/ http://www.securityfocus.com/archive/1/499685/100/0/threaded http://www.securityfocus.com/bid/33065 http://www.ubuntu.com/usn/usn-740-1 http://www.win.tue.nl/hashclash/SoftIntCodeSign/ http://www.win.tue.nl/hashclash/rogue-ca/ https://blogs.verisign.com/ssl-blog/2008/12/on_md5_vulnerabilities_and_mit.php https://bugzilla.redhat.com/show_bug.cgi?id=648886 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05289935 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05336888 https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02 https://rhn.redhat.com/errata/RHSA-2010-0837.html https://rhn.redhat.com/errata/RHSA-2010-0838.html https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03814en_us https://www.redhat.com/archives/fedora-package-announce/2009-February/msg00096.html http://blog.mozilla.com/security/2008/12/30/md5-weaknesses-could-lead-to-certificate-forgery/ http://blogs.technet.com/swi/archive/2008/12/30/information-regarding-md5-collisions-problem.aspx http://secunia.com/advisories/33826 http://secunia.com/advisories/34281 http://secunia.com/advisories/42181 http://securityreason.com/securityalert/4866 http://securitytracker.com/id?1024697 http://www.cisco.com/en/US/products/products_security_response09186a0080a5d24a.html http://www.doxpara.com/research/md5/md5_someday.pdf http://www.kb.cert.org/vuls/id/836068 http://www.microsoft.com/technet/security/advisory/961509.mspx http://www.phreedom.org/research/rogue-ca/ http://www.securityfocus.com/archive/1/499685/100/0/threaded http://www.securityfocus.com/bid/33065 http://www.ubuntu.com/usn/usn-740-1 http://www.win.tue.nl/hashclash/SoftIntCodeSign/ http://www.win.tue.nl/hashclash/rogue-ca/ https://blogs.verisign.com/ssl-blog/2008/12/on_md5_vulnerabilities_and_mit.php https://bugzilla.redhat.com/show_bug.cgi?id=648886 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05289935 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05336888 https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02 https://rhn.redhat.com/errata/RHSA-2010-0837.html https://rhn.redhat.com/errata/RHSA-2010-0838.html https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03814en_us https://www.redhat.com/archives/fedora-package-announce/2009-February/msg00096.html

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2004-2761 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/24807

View Code

May 28, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

January 05, 2009 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.