CVE-2020-10745

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se encontró un fallo en todas las versiones de Samba anteriores a 4.10.17, anteriores a 4.11.11 y anteriores a 4.12.4 en la manera en que procesaba NetBios sobre TCP/IP. Este fallo permite a un atacante remoto poder causar que el servidor Samba consuma un uso excesivo de la CPU, resultando en una denegación de servicio. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-03-20 CVE Reserved
2020-07-02 CVE Published
2024-06-13 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (8)

URL	Tag	Source
https://bugzilla.redhat.com/show_bug.cgi?id=1849491%3B	X_refsource_misc
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2	2023-11-07
https://security.gentoo.org/glsa/202007-15	2023-11-07
https://www.samba.org/samba/security/CVE-2020-10745.html	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 4.0.0 < 4.10.17 Search vendor "Samba" for product "Samba" and version " >= 4.0.0 < 4.10.17"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 4.11.0 < 4.11.11 Search vendor "Samba" for product "Samba" and version " >= 4.11.0 < 4.11.11"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 4.12.0 < 4.12.4 Search vendor "Samba" for product "Samba" and version " >= 4.12.0 < 4.12.4"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				31 Search vendor "Fedoraproject" for product "Fedora" and version "31"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.2 Search vendor "Opensuse" for product "Leap" and version "15.2"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected