CVE-2004-2761
CRITICAL · CVSS 9.8EPSS 10.1%EU EUVD
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.
Key facts
- CVSS score
- 9.8 (v3.1)
- Severity
- CRITICAL
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-310
- EPSS score
- 10.1% (96th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2004-2751)
- Published
- January 5, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2004-2751 in the EU Vulnerability Database. Last updated in EUVD on May 28, 2026.
View on the EU Vulnerability DatabaseAffected products
- ietf / md5
- ietf / x.509 certificate
References
- 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(Third Party Advisory, US Government Resource)
- http://www.microsoft.com/technet/security/advisory/961509.mspx(Mitigation, Patch, Vendor Advisory)
- 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(Issue Tracking)
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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