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Vulnerability details: VCID-xqha-fd6g-aaaa
Vulnerability ID VCID-xqha-fd6g-aaaa
Aliases CVE-2020-14303
Summary A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-834 Excessive Iteration
CWE-400 Uncontrolled Resource Consumption
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-14303.html
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14303.json
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.01136 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.1872 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
epss 0.19612 https://api.first.org/data/v1/epss?cve=CVE-2020-14303
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1851298
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14303
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-14303
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-14303
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-14303
archlinux High https://security.archlinux.org/AVG-1202
generic_textual Medium https://ubuntu.com/security/notices/USN-4454-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4454-2
generic_textual Medium https://www.samba.org/samba/security/CVE-2020-14303.html
Reference id Reference type URL
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
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-14303.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14303.json
https://api.first.org/data/v1/epss?cve=CVE-2020-14303
https://bugzilla.redhat.com/show_bug.cgi?id=1851298;
https://bugzilla.redhat.com/show_bug.cgi?id=1851298%3B
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14303
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.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
https://security.gentoo.org/glsa/202007-15
https://security.netapp.com/advisory/ntap-20200709-0003/
https://ubuntu.com/security/notices/USN-4454-1
https://ubuntu.com/security/notices/USN-4454-2
https://usn.ubuntu.com/4454-1/
https://usn.ubuntu.com/4454-2/
https://www.samba.org/samba/security/CVE-2020-14303.html
1851298 https://bugzilla.redhat.com/show_bug.cgi?id=1851298
AVG-1202 https://security.archlinux.org/AVG-1202
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:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
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:31:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
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-2020-14303 https://nvd.nist.gov/vuln/detail/CVE-2020-14303
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14303.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:N/AC:L/PR:N/UI:N/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:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14303
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14303
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14303
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 0.79193
EPSS Score 0.00647
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.