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CVE-2003-0072

19
FAUCET Score

CVE-2003-0072 describes a denial-of-service vulnerability affecting the Key Distribution Center (KDC) in Kerberos 5 (krb5) versions 1.2.7 and earlier. An authenticated remote attacker can crash KDCs within the same realm by sending a specific protocol request that triggers an out-of-bounds array read. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and potential for partial availability impact. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB, though it has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:1.0:*:*:*:*:*:*:*
1.2.2.beta1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:1.2.2.beta1:*:*:*:*:*:*:*
1.0.6CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.0.6:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.1:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.1.1:*:*:*:*:*:*:*

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
1.95%
Probability of exploitation in next 30 days
EPSS Percentile
78.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0195 is in the 66th percentile among its peer group of 23,701 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 (11)

debianpatch availablevia nvd_reference
View patch
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-2003-0072Important

security flaw

Mar 19, 2003

References

sunsolve.sun.com / search/document.do
web.mit.edu / kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt
PatchVendor Advisory
debian.org / security/2003/dsa-266
PatchVendor Advisory
redhat.com / support/errata/RHSA-2003-051.html
redhat.com / support/errata/RHSA-2003-052.html
securityfocus.com / archive/1/316960/30/25250/threaded
securityfocus.com / bid/7184