CVE-2021-3671
MEDIUM
6.5
CVSS Score
Published: October 12, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 04:05 AM UTC
5 products affected across 3 vendorsDebian LinuxSAMBAONTAP Select Deploy administration utility
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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (7)
PatchThird Party Advisory
Source: [email protected]
https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83aMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/11/msg00034.htmlThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20221215-0002/Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230216-0008/Vendor AdvisoryThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2022/dsa-5287CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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