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Vulnerability details: VCID-nppa-tj2b-wfe2
Vulnerability ID VCID-nppa-tj2b-wfe2
Aliases CVE-2017-12151
Summary A flaw was found in the way samba client before samba 4.4.16, samba 4.5.14 and samba 4.6.8 used encryption with the max protocol set as SMB3. The connection could lose the requirement for signing and encrypting to any DFS redirects, allowing an attacker to read or alter the contents of the connection via a man-in-the-middle attack.
Status Published
Exploitability 0.5
Weighted Severity 6.7
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-300 Channel Accessible by Non-Endpoint
CWE-310 Cryptographic Issues
System Score Found at
cvssv3 7.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12151.json
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
epss 0.021 https://api.first.org/data/v1/epss?cve=CVE-2017-12151
cvssv2 7.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.8 https://nvd.nist.gov/vuln/detail/CVE-2017-12151
cvssv3 7.4 https://nvd.nist.gov/vuln/detail/CVE-2017-12151
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12151.json
https://api.first.org/data/v1/epss?cve=CVE-2017-12151
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12151
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12150
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12151
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12163
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.netapp.com/advisory/ntap-20170921-0001/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us
https://www.debian.org/security/2017/dsa-3983
https://www.samba.org/samba/security/CVE-2017-12151.html
http://www.securityfocus.com/bid/100917
http://www.securitytracker.com/id/1039401
1488197 https://bugzilla.redhat.com/show_bug.cgi?id=1488197
cpe:2.3:a:hp:cifs_server:b.04.05.11.00:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:hp:cifs_server:b.04.05.11.00:*:*:*:*:*:*:*
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:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
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:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2017-12151 https://nvd.nist.gov/vuln/detail/CVE-2017-12151
RHSA-2017:2790 https://access.redhat.com/errata/RHSA-2017:2790
RHSA-2017:2858 https://access.redhat.com/errata/RHSA-2017:2858
USN-3426-1 https://usn.ubuntu.com/3426-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12151.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: AV:A/AC:M/Au:N/C:C/I:C/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:H/PR:N/UI:N/S:C/C:H/I:H/A:N 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:M/Au:N/C:P/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-12151
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:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-12151
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 0.83346
EPSS Score 0.021
Published At Aug. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:32:14.258104+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.17/main.json 37.0.0