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Fencer Vulns
critical 9.8

CVE-2004-2761 in the critical feed json

The MD5 Message-Digest Algorithm is not collision resistant, which makes it easier for context-dependent attackers to conduct spoofing atta…

published 2009-01-05 17 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2751

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
10.1%
EPSS 10.1% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • pki-ca certificate system 8 8.0.7-1.el5pki
  • pki-util certificate system 8 8.0.5-1.el5pki
  • pki-common certificate system 8 8.0.6-2.el5pki
  • pki-util-javadoc certificate system 8 8.0.5-1.el5pki
  • pki-common-javadoc certificate system 8 8.0.6-2.el5pki
  • rhpki-ca certificate system 7.3 7.3.0-21.el4
  • rhpki-util certificate system 7.3 7.3.0-21.el4
  • rhpki-common certificate system 7.3 7.3.0-41.el4

red hat advisories RHSA-2010:0838RHSA-2010:0837

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2004-2761 updated cvss 4.3

MD5: MD5 Message-Digest Algorithm is not collision resistant

  • Red Hat Certificate System 7.3 for 4AS rhpki-ca 7.3.0-21.el4, rhpki-util 7.3.0-21.el4, rhpki-common 7.3.0-41.el4 Red Hat Certificate System 7.3 for 4ES rhpki-ca 7.3.0-21.el4, rhpki-util 7.3.0-21.el4, rhpki-common 7.3.0-41.el4
    fixed: vendor fix RHSA-2010:0837
  • Red Hat Certificate System 8 pki-ca 8.0.7-1.el5pki, pki-util 8.0.5-1.el5pki, pki-common 8.0.6-2.el5pki, pki-util-javadoc 8.0.5-1.el5pki, pki-common-javadoc 8.0.6-2.el5pki
    fixed: vendor fix RHSA-2010:0838

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSMA-18-058-02 updated cvss 3.7

Philips Intellispace Portal ISP Vulnerabilities

  • Phillips IntelliSpace Portal 7.0.x Phillips IntelliSpace Portal 8.0.x
    affected: mitigation “Users with questions regarding their specific ISP installations are advised by Philips to contact their local Philips service support team or their regional service support.” usa.philips.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

  1. First public exploit (EDB-24807)
  2. Published

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
5 mo ago

Exploit prediction

10.12% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-24807 MD5 - Message Digest Algorithm Hash Collision dos, 2004-12-07

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.