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CVE-2011-0282

21
FAUCET Score

CVE-2011-0282 describes a denial-of-service vulnerability affecting MIT Kerberos 5 versions 1.6.x through 1.9 when configured with an LDAP backend. Remote attackers can exploit this by sending a crafted principal name, leading to a NULL pointer dereference or buffer over-read, causing the KDC daemon to crash. The vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, resulting in a partial availability impact. 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
5-1.6.3CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:5-1.6.3:*:*:*:*:*:*:*
1.6CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:*
1.6.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.6.1:*:*:*:*:*:*:*
1.6.2CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.6.2:*:*:*:*:*:*:*
1.7CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*

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
3.48%
Probability of exploitation in next 30 days
EPSS Percentile
87.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0348 is in the 84th percentile among its peer group of 23,684 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: krb5-0:1.6.1-55.el5_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: krb5-0:1.8.2-3.el6_0.4
View patch

Vendor Advisories (1)

redhatCVE-2011-0282Important

krb5: KDC crash when using LDAP backend caused by a special principal name (MITKRB5-SA-2011-002)

Feb 8, 2011

References

lists.opensuse.org / opensuse-security-announce/2011-02/msg00004.html
secunia.com / advisories/43260
Vendor Advisory
secunia.com / advisories/43273
Vendor Advisory
secunia.com / advisories/43275
Vendor Advisory
secunia.com / advisories/46397
securityreason.com / securityalert/8073
exchange.xforce.ibmcloud.com / vulnerabilities/65323
web.mit.edu / kerberos/advisories/MITKRB5-SA-2011-002.txt
Vendor Advisory
mandriva.com / security/advisories
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2011-0199.html
redhat.com / support/errata/RHSA-2011-0200.html
securityfocus.com / archive/1/516299/100/0/threaded
securityfocus.com / archive/1/520102/100/0/threaded
securityfocus.com / bid/46271
securitytracker.com / id
vmware.com / security/advisories/VMSA-2011-0012.html
vupen.com / english/advisories/2011/0330
Vendor Advisory
vupen.com / english/advisories/2011/0333
Vendor Advisory
vupen.com / english/advisories/2011/0347
Vendor Advisory
vupen.com / english/advisories/2011/0464