CVE-2020-10745HIGH
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
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.
References
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=1849491;
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
Details
Source: MITRE
Published: 2020-07-07
Updated: 2020-11-23
Type: CWE-400
Risk Information
CVSS v2
Base Score: 7.8
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 10
Severity: HIGH
CVSS v3
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH
Vulnerable Software
Configuration 1
OR
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Configuration 2
OR
Configuration 3
OR
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 151396 | EulerOS Virtualization 3.0.2.2 : samba (EulerOS-SA-2021-2168) | Nessus | Huawei Local Security Checks | critical |
| 150607 | SUSE SLES11 Security Update : samba (SUSE-SU-2020:14437-1) | Nessus | SuSE Local Security Checks | high |
| 147497 | EulerOS Virtualization 2.9.1 : samba (EulerOS-SA-2021-1625) | Nessus | Huawei Local Security Checks | critical |
| 143186 | Debian DLA-2463-1 : samba security update | Nessus | Debian Local Security Checks | critical |
| 142530 | EulerOS Virtualization 3.0.6.6 : samba (EulerOS-SA-2020-2476) | Nessus | Huawei Local Security Checks | high |
| 142101 | EulerOS 2.0 SP5 : samba (EulerOS-SA-2020-2270) | Nessus | Huawei Local Security Checks | high |
| 140322 | EulerOS Virtualization for ARM 64 3.0.2.0 : samba (EulerOS-SA-2020-1952) | Nessus | Huawei Local Security Checks | high |
| 140174 | openSUSE Security Update : ldb / samba (openSUSE-2020-1313) | Nessus | SuSE Local Security Checks | high |
| 140001 | EulerOS Virtualization for ARM 64 3.0.6.0 : samba (EulerOS-SA-2020-1898) | Nessus | Huawei Local Security Checks | high |
| 139845 | SUSE SLES12 Security Update : samba (SUSE-SU-2020:2312-1) | Nessus | SuSE Local Security Checks | high |
| 139170 | SUSE SLES12 Security Update : samba (SUSE-SU-2020:2066-1) | Nessus | SuSE Local Security Checks | high |
| 139169 | SUSE SLES15 Security Update : samba (SUSE-SU-2020:2065-1) | Nessus | SuSE Local Security Checks | high |
| 139156 | EulerOS 2.0 SP8 : samba (EulerOS-SA-2020-1826) | Nessus | Huawei Local Security Checks | high |
| 138994 | SUSE SLES12 Security Update : samba (SUSE-SU-2020:2036-1) | Nessus | SuSE Local Security Checks | high |
| 138938 | GLSA-202007-15 : Samba: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | high |
| 138790 | openSUSE Security Update : ldb / samba (openSUSE-2020-1023) | Nessus | SuSE Local Security Checks | high |
| 138760 | SUSE SLED15 / SLES15 Security Update : ldb, samba (SUSE-SU-2020:1948-1) | Nessus | SuSE Local Security Checks | high |
| 138748 | openSUSE Security Update : samba (openSUSE-2020-984) | Nessus | SuSE Local Security Checks | high |
| 138654 | Fedora 31 : 2:samba / libldb (2020-5131d30947) | Nessus | Fedora Local Security Checks | high |
| 138496 | SUSE SLED15 / SLES15 Security Update : samba (SUSE-SU-2020:1913-1) | Nessus | SuSE Local Security Checks | high |
| 138223 | Samba 4.x < 4.10.17 / 4.11.x < 4.11.11 / 4.12.x < 4.12.4 Multiple Vulnerabilities | Nessus | Misc. | high |
| 138134 | Ubuntu 16.04 LTS / 18.04 LTS / 19.10 / 20.04 : Samba vulnerabilities (USN-4409-1) | Nessus | Ubuntu Local Security Checks | high |
| 138128 | FreeBSD : samba -- Multiple Vulnerabilities (ae599263-bca2-11ea-b78f-b42e99a1b9c3) | Nessus | FreeBSD Local Security Checks | high |
| 138118 | Fedora 32 : 2:samba / libldb (2020-ccd9bdb2eb) | Nessus | Fedora Local Security Checks | high |