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CVE-2013-6800

19
FAUCET Score

CVE-2013-6800 describes a denial-of-service vulnerability in MIT Kerberos 5 (versions 1.10.x) affecting an unspecified third-party database module for the Key Distribution Center (KDC). Remote authenticated users can trigger a NULL pointer dereference and daemon crash by sending a crafted request. This vulnerability has a CVSS score of 4.0, indicating a low severity, with an attack vector over the network requiring authentication, and its primary impact is availability. 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
5-1.10.5CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:5-1.10.5:*:*:*:*:*:*:*
5-1.10.6CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:5-1.10.6:*:*:*:*:*:*:*
5-1.10.7CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:5-1.10.7:*:*:*:*:*:*:*
1.10CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.10:*:*:*:*:*:*:*
1.10.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.10.1:*:*:*:*:*:*:*

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
2.61%
Probability of exploitation in next 30 days
EPSS Percentile
83.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0261 is in the 94th percentile among its peer group of 21,977 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 (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: krb5-0:1.6.1-78.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: krb5-0:1.10.3-33.el6
View patch

Vendor Advisories (1)

redhatCVE-2013-6800Moderate

krb5: KDC remote DoS (NULL pointer dereference and daemon crash)

Nov 4, 2013

References

krbdev.mit.edu / rt/Ticket/Display.html
github.com / krb5/krb5/commit/c2ccf4197f697c4ff143b8a786acdd875e70a89d
Patch
securityfocus.com / bid/63770