CVE-2020-14323

MEDIUM
5.5
CVSS Score
Published: October 29, 2020 at 12:00 AM UTC
Updated: June 17, 2026 at 02:54 AM UTC
4 products affected across 4 vendorsDebian LinuxFedoraLeap

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.11.153.6.0 ≤ v < 4.11.154.12.0 ≤ v < 4.12.94.13.0 ≤ v < 4.13.1
Affected range stops below 4.11.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.12.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.13.1, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-170CWE-476

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