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Vulnerability details: VCID-x5un-3bxk-aaac
Vulnerability ID VCID-x5un-3bxk-aaac
Aliases CVE-2020-14323
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-476 NULL Pointer Dereference
CWE-170 Improper Null Termination
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-14323.html
rhas Moderate https://access.redhat.com/errata/RHSA-2020:5439
rhas Moderate https://access.redhat.com/errata/RHSA-2021:1647
rhas Moderate https://access.redhat.com/errata/RHSA-2021:3723
cvssv3 5.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14323.json
epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2020-14323
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epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2020-14323
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epss 0.00059 https://api.first.org/data/v1/epss?cve=CVE-2020-14323
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epss 0.00388 https://api.first.org/data/v1/epss?cve=CVE-2020-14323
epss 0.00388 https://api.first.org/data/v1/epss?cve=CVE-2020-14323
epss 0.00388 https://api.first.org/data/v1/epss?cve=CVE-2020-14323
epss 0.00388 https://api.first.org/data/v1/epss?cve=CVE-2020-14323
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generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14323
cvssv3.1 5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 2.1 https://nvd.nist.gov/vuln/detail/CVE-2020-14323
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-14323
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-14323
generic_textual Medium https://ubuntu.com/security/notices/USN-4611-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4931-1
generic_textual Medium https://www.samba.org/samba/security/CVE-2020-14323.html
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-14323.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14323.json
https://api.first.org/data/v1/epss?cve=CVE-2020-14323
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14323
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
https://security.gentoo.org/glsa/202012-24
https://security.netapp.com/advisory/ntap-20201103-0001/
https://ubuntu.com/security/notices/USN-4611-1
https://ubuntu.com/security/notices/USN-4931-1
https://www.samba.org/samba/security/CVE-2020-14323.html
973399 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=973399
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
CVE-2020-14323 https://nvd.nist.gov/vuln/detail/CVE-2020-14323
RHBA-2021:1503 https://bugzilla.redhat.com/show_bug.cgi?id=1891685
RHSA-2020:5439 https://access.redhat.com/errata/RHSA-2020:5439
RHSA-2021:1647 https://access.redhat.com/errata/RHSA-2021:1647
RHSA-2021:3723 https://access.redhat.com/errata/RHSA-2021:3723
USN-4611-1 https://usn.ubuntu.com/4611-1/
USN-4931-1 https://usn.ubuntu.com/4931-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14323.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14323
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14323
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14323
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.26324
EPSS Score 0.00059
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.