VULNERABILITY INTELLIGENCE
CVE-2021-3671
CVSS score6.5 MEDIUM
EPSS probability2.12%
CISA KEVNot currently listed
Published2021-10-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.
Weakness classification
- CWE-476: NULL Pointer Dereference
Primary references
- secalert@redhat.com
- secalert@redhat.com
- secalert@redhat.com — Patch, Third Party Advisory
- secalert@redhat.com — Mailing List, Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory