CVE-2020-10745

HIGH
7.5
CVSS Score
Published: July 7, 2020 at 01:33 PM UTC
Updated: June 17, 2026 at 02:48 AM UTC
4 products affected across 4 vendorsDebian LinuxFedoraLeap

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Severity
HIGH7.5
Exploit prediction
EPSS 4%

Description

A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.

Affected

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

v < 4.10.174.0.0 ≤ v < 4.10.174.11.0 ≤ v < 4.11.114.12.0 ≤ v < 4.12.4
Affected range stops below 4.10.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.11.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.12.4, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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