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CVE-2018-1000201

25
FAUCET Score

CVE-2018-1000201 describes a DLL hijacking vulnerability in ruby-ffi versions 1.9.23 and earlier, specifically impacting Windows operating systems when a Symbol is used as a DLL name. This high-severity vulnerability (CVSS 7.8) allows for high impact to confidentiality, integrity, and availability, requiring user interaction and local access to exploit. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.9.23CPE matchmatch criteria
cpe:2.3:a:ruby-ffi_project:ruby-ffi:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.35%
Probability of exploitation in next 30 days
EPSS Percentile
68.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 67th percentile among its peer group of 11,615 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
rubygemspatch availablevia ghsa
Product: ffiFixed in: 1.9.24

Vendor Advisories (1)

rubygemsGHSA-2gw2-8q9w-cw8phigh

Ruby-ffi has a DLL loading issue

Aug 31, 2018

References

github.com / ffi/ffi/commit/09e0c6076466b4383da7fa4e13f714311109945a
PatchThird Party Advisory
github.com / ffi/ffi/commit/e0fe486df0e117ed67b0282b6ada04b7214ca05c
PatchThird Party Advisory