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CVE-2022-33127

29
FAUCET Score

CVE-2022-33127 is a critical vulnerability affecting Diffy 3.4.1 in Windows environments, where improper handling of double quotes in filenames allows for arbitrary command execution. With a CVSS score of 9.8 (CRITICAL), this vulnerability has a network attack vector, low attack complexity, and high potential impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.4.1CPE matchmatch criteria
cpe:2.3:a:diffy_project:diffy:3.4.1:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 63rd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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: diffyFixed in: 3.4.1

Vendor Advisories (2)

rubygemsGHSA-5ww9-9qp2-x524critical

Improper handling of double quotes in file name in Diffy in Windows environment

Jun 24, 2022
redhatCVE-2022-33127Low

rubygem-diffy: remote code execution from user controlled diff file paths

Jun 23, 2022

References

github.com / samg/diffy/blob/56fd935aea256742f7352b050592542d3d153bf6/CHANGELOG
Release NotesThird Party Advisory
github.com / samg/diffy/commit/478f392082b66d38f54a02b4bb9c41be32fd6593
PatchThird Party Advisory