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CVE-2012-1013

19
FAUCET Score

CVE-2012-1013 describes a denial-of-service vulnerability in MIT Kerberos 5 (versions 1.8.x, 1.9.x, and 1.10.x before 1.10.2). An authenticated administrator can crash the kadmind daemon by sending a specific KRB5_KDB_DISALLOW_ALL_TIX create request without a password, leading to a NULL pointer dereference. This vulnerability has a CVSS score of 4.0, indicating a low severity, as it requires authentication and only results in a denial of service. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.8CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*
1.8.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*
1.8.2CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*
1.8.3CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*
1.8.4CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.8.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.12%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0312 is in the 95th percentile among its peer group of 21,951 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: krb5-0:1.9-33.el6_3.2
View patch

Vendor Advisories (1)

redhatCVE-2012-1013Low

krb5: kadmind denial of service

Jun 1, 2012

References

krbdev.mit.edu / rt/Ticket/Display.html
mailman.mit.edu / pipermail/kerberos-announce/2012q2/000136.html
rhn.redhat.com / errata/RHSA-2012-1131.html
bugzilla.redhat.com / show_bug.cgi
github.com / krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b
ExploitPatch
hermes.opensuse.org / messages/15083635
web.mit.edu / kerberos/krb5-1.10
mandriva.com / security/advisories
securityfocus.com / bid/53784