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CVE-2004-0523

29
FAUCET Score

CVE-2004-0523 describes multiple buffer overflows in the krb5_aname_to_localname function of MIT Kerberos 5 (krb5) versions 1.3.3 and earlier, affecting products from vendors like MIT, SGI, Sun, and Tinysofa. This vulnerability carries a critical CVSS score of 10.0, indicating it can be exploited remotely with low attack complexity and no authentication, leading to complete compromise (arbitrary code execution as root). Despite its high severity and potential for widespread impact, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:1.0:*:*:*:*:*:*:*
1.0.8CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:1.0.8:*:*:*:*:*:*:*
1.2.2.beta1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:1.2.2.beta1:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.0:*:*:*:*:*:*:*
1.0.6CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.0.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
11.67%
Probability of exploitation in next 30 days
EPSS Percentile
95.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1167 is in the 93rd percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: krb5-0:1.2.7-24
View patch

Vendor Advisories (1)

redhatCVE-2004-0523Moderate

security flaw

Jun 1, 2004

References

patches.sgi.com / support/free/security/advisories/20040604-01-U.asc
patches.sgi.com / support/free/security/advisories/20040605-01-U.asc
distro.conectiva.com.br / atualizacoes
lwn.net / Articles/88206
marc.info
marc.info
marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/16268
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10295
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2002
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A724
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A991
sunsolve.sun.com / search/document.do
debian.org / security/2004/dsa-520
PatchVendor Advisory
gentoo.org / security/en/glsa/glsa-200406-21.xml
kb.cert.org / vuls/id/686862
Third Party AdvisoryUS Government Resource
mandrakesecure.net / en/advisories/advisory.php
redhat.com / support/errata/RHSA-2004-236.html
securityfocus.com / bid/10448