The Net::LDAP (aka net-ldap) gem before 0.16.0 for Ruby has Missing SSL Certificate Validation.
CVE-2017-17718
This medium-severity CVE scores 5.9 under NVD CVSS v3. EPSS exploit probability: 1.3%, top 31% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.9
- EG Score
- 5.9(medium)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity59% × 45%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 68.5%
- KEV
- Not listed
Published
December 17, 2017
Last Modified
May 13, 2026
References (6)
- cve@mitrehttp://openwall.com/lists/oss-security/2017/12/17/10
- cve@mitrehttps://github.com/ruby-ldap/ruby-net-ldap/issues/258
- cve@mitrehttps://github.com/ruby-ldap/ruby-net-ldap/pull/279
- af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2017/12/17/10
- af854a3a-2127-422b-91ae-364da2661108https://github.com/ruby-ldap/ruby-net-ldap/issues/258
- af854a3a-2127-422b-91ae-364da2661108https://github.com/ruby-ldap/ruby-net-ldap/pull/279
Vendor Advisories for CVE-2017-17718(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | tfm-rubygem-x-editable-rails-0:1.5.5-4.el7sat | 2020-04-14 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| net-ldap | 0.0.5 ... 0.9.0 (22 versions) | 0.16.0 | — |
Data Freshness Timeline
(refreshed 14× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 102 total refreshes for this CVE.
- 2026-07-23 01:28 UTCEG score recompute
- 2026-07-22 22:07 UTCEG score recompute
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Related CVEs(same vendor)
Frequently asked(5)
What is CVE-2017-17718?
When was CVE-2017-17718 disclosed?
Is CVE-2017-17718 actively exploited?
What is the CVSS score of CVE-2017-17718?
How do I remediate CVE-2017-17718?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-17718
Is Your Infrastructure Affected by CVE-2017-17718?
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