CVE-2013-1417
do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that…
Does this matter?
Lower severity and a low EPSS score (1.93%). Track it; it rarely justifies an emergency change on its own.
Description
do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.
- CVSS 2.0
- 3.5 LOWAV:N/AC:M/Au:S/C:N/I:N/A:P
- EPSS
- 1.93% probability · 80th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- mit/kerberos 5
- Source
- cve@mitre.org
EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00026.html
- http://web.mit.edu/kerberos/krb5-1.11/README-1.11.4.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=1030743
- https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62accExploit, Patch
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00026.html
- http://web.mit.edu/kerberos/krb5-1.11/README-1.11.4.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=1030743
- https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62accExploit, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.