Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2013-1417

16
FAUCET Score

CVE-2013-1417 describes a denial-of-service vulnerability in MIT Kerberos 5 (krb5) versions prior to 1.11.4, specifically affecting the Key Distribution Center (KDC) when a single-component realm name is configured. An authenticated attacker can crash the KDC daemon by sending a crafted TGS-REQ request that triggers an erroneous cross-realm referral for a host-based service principal. This vulnerability has a CVSS score of 3.5, indicating a medium attack complexity and partial availability impact, requiring authentication over the network. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.11CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.11:*:*:*:*:*:*:*
1.11.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.11.1:*:*:*:*:*:*:*
1.11.2CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.11.2:*:*:*:*:*:*:*
1.11.3CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.11.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.5LOW

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.93%
Probability of exploitation in next 30 days
EPSS Percentile
77.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0193 is in the 89th percentile among its peer group of 1,638 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2013-1417Moderate

krb5: KDC null deref due to referrals

Jun 21, 2013

References

lists.opensuse.org / opensuse-updates/2013-12/msg00026.html
bugzilla.redhat.com / show_bug.cgi
github.com / krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc
ExploitPatch
web.mit.edu / kerberos/krb5-1.11/README-1.11.4.txt