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CVE-2003-0058

20
FAUCET Score

CVE-2003-0058 describes a denial-of-service vulnerability in MIT Kerberos V5 Key Distribution Centers (KDCs) prior to version 1.2.5, affecting various MIT and Sun products. Authenticated attackers can crash KDCs within the same realm by sending a specific protocol request that triggers a null dereference. The vulnerability has a CVSS score of 5.0, indicating a medium severity. It is easily exploitable over the network with low attack complexity and no authentication required, leading to a complete loss of availability (crash) for the KDC. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions, suggesting awareness among security researchers. It is not listed on the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.2.1:*:*:*:*:*:*:*
1.2.2CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.2.2:*:*:*:*:*:*:*
1.2.3CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.2.3:*:*:*:*:*:*:*
1.2.4CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.2.4:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:sun:enterprise_authentication_mechanism:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.83%
Probability of exploitation in next 30 days
EPSS Percentile
91.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0483 is in the 88th percentile among its peer group of 23,705 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (10)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch

Vendor Advisories (1)

redhatCVE-2003-0058Moderate

security flaw

Jan 28, 2003

References

distro.conectiva.com.br / atualizacoes
exchange.xforce.ibmcloud.com / vulnerabilities/10099
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1110
sunsolve.sun.com / pub-cgi/retrieve.pl
web.mit.edu / kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt
PatchVendor Advisory
kb.cert.org / vuls/id/661243
PatchThird Party AdvisoryUS Government Resource
mandrakesoft.com / security/advisories
redhat.com / support/errata/RHSA-2003-051.html
redhat.com / support/errata/RHSA-2003-052.html
redhat.com / support/errata/RHSA-2003-168.html
securityfocus.com / bid/6683
PatchVendor Advisory