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Vulnerability details: VCID-awm6-zwny-d3e6
Vulnerability ID VCID-awm6-zwny-d3e6
Aliases CVE-2017-17718
GHSA-m7p8-9w66-9frm
Summary net-ldap Improper Certificate Validation vulnerability The Net::LDAP (aka net-ldap) gem before 0.16.0 for Ruby has Missing SSL Certificate Validation.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-295 Improper Certificate Validation
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 5.9 http://openwall.com/lists/oss-security/2017/12/17/10
generic_textual MODERATE http://openwall.com/lists/oss-security/2017/12/17/10
cvssv3 4.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-17718.json
epss 0.00172 https://api.first.org/data/v1/epss?cve=CVE-2017-17718
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-m7p8-9w66-9frm
cvssv3.1 5.9 https://github.com/ruby-ldap/ruby-net-ldap
generic_textual MODERATE https://github.com/ruby-ldap/ruby-net-ldap
cvssv3 5.9 https://github.com/ruby-ldap/ruby-net-ldap/issues/258
cvssv3.1 5.9 https://github.com/ruby-ldap/ruby-net-ldap/issues/258
generic_textual MODERATE https://github.com/ruby-ldap/ruby-net-ldap/issues/258
cvssv3.1 5.9 https://github.com/ruby-ldap/ruby-net-ldap/pull/279
generic_textual MODERATE https://github.com/ruby-ldap/ruby-net-ldap/pull/279
cvssv3.1 5.9 https://nvd.nist.gov/vuln/detail/CVE-2017-17718
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2017-17718
Reference id Reference type URL
http://openwall.com/lists/oss-security/2017/12/17/10
http://ruby-doc.org/stdlib-1.9.3/libdoc/openssl/rdoc/OpenSSL/SSL.html#method-c-verify_certificate_identity
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-17718.json
https://api.first.org/data/v1/epss?cve=CVE-2017-17718
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17718
https://github.com/ruby-ldap/ruby-net-ldap
https://github.com/ruby-ldap/ruby-net-ldap/issues/258
https://github.com/ruby-ldap/ruby-net-ldap/pull/279
https://nvd.nist.gov/vuln/detail/CVE-2017-17718
1527048 https://bugzilla.redhat.com/show_bug.cgi?id=1527048
884693 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=884693
GHSA-m7p8-9w66-9frm https://github.com/advisories/GHSA-m7p8-9w66-9frm
RHSA-2020:1454 https://access.redhat.com/errata/RHSA-2020:1454
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at http://openwall.com/lists/oss-security/2017/12/17/10
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:H/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-17718.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:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ruby-ldap/ruby-net-ldap
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:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ruby-ldap/ruby-net-ldap/issues/258
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:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/ruby-ldap/ruby-net-ldap/pull/279
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:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-17718
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 0.38207
EPSS Score 0.00172
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T09:19:26.185988+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/01/GHSA-m7p8-9w66-9frm/GHSA-m7p8-9w66-9frm.json 38.6.0