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Vulnerability details: VCID-gnxp-ku1h-fyhy
Vulnerability ID VCID-gnxp-ku1h-fyhy
Aliases CVE-2018-1140
Summary A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker could use this flaw to cause a denial of service against a samba server, used as a Active Directory Domain Controller. All versions of Samba from 4.8.0 onwards are vulnerable
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1140.json
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.14503 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.17346 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
epss 0.17346 https://api.first.org/data/v1/epss?cve=CVE-2018-1140
cvssv3 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 3.3 https://nvd.nist.gov/vuln/detail/CVE-2018-1140
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-1140
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1140.json
https://api.first.org/data/v1/epss?cve=CVE-2018-1140
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1140
https://bugzilla.samba.org/show_bug.cgi?id=13374
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1140
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.netapp.com/advisory/ntap-20180814-0001/
https://www.samba.org/samba/security/CVE-2018-1140.html
http://www.securityfocus.com/bid/105082
1580230 https://bugzilla.redhat.com/show_bug.cgi?id=1580230
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:*:*:*:*:*:*:*:*
CVE-2018-1140 https://nvd.nist.gov/vuln/detail/CVE-2018-1140
No exploits are available.
Vector: CVSS:3.0/AV:A/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-2018-1140.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:3.0/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:A/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1140
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:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1140
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 0.94158
EPSS Score 0.14503
Published At Aug. 13, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:27.916692+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.21/main.json 37.0.0