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CVE-2021-28790

20
FAUCET Score

CVE-2021-28790 describes a critical arbitrary code execution vulnerability in unofficial SwiftLint extensions for Visual Studio Code, specifically versions prior to 1.4.5. An attacker can exploit this by crafting a malicious workspace with a manipulated swiftlint.path configuration, leading to code execution when a user opens the workspace. This vulnerability carries a high CVSS score of 7.8, indicating a local attack vector with low complexity, requiring user interaction but resulting in high impact to confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.5CPE matchmatch criteria
cpe:2.3:a:swiftlint_project:swiftlint:*:*:*:*:*:visual_studio_code:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
1.68%
Probability of exploitation in next 30 days
EPSS Percentile
74.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0168 is in the 73rd percentile among its peer group of 11,617 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Remediation records are not available for this CVE.

References

github.com / vknabel/vscode-swiftlint/releases/tag/1.4.5
Release NotesThird Party Advisory
vuln.ryotak.me / advisories/12
Third Party Advisory