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CVE-2022-21186

44
FAUCET Score

CVE-2022-21186 is a critical arbitrary command injection vulnerability affecting the @acrontum/filesystem-template package prior to version 0.0.2. This flaw stems from insufficient sanitization of the href field within external input processed by the fetchRepo API. With a CVSS score of 9.8, this vulnerability allows unauthenticated attackers to execute arbitrary commands remotely with high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.0.2CPE matchmatch criteria
cpe:2.3:a:acrontum:filesystem-template:*:*:*:*:*:node.js:*:*

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
24.87%
Probability of exploitation in next 30 days
EPSS Percentile
97.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2487 is in the 94th percentile among its peer group of 36,897 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
npmpatch availablevia ghsa
Product: @acrontum/filesystem-templateFixed in: 0.0.2

Vendor Advisories (1)

npmGHSA-m2fc-9h5m-29cmcritical

@acrontum/filesystem-template vulnerable to Command Injection due to fetchRepo API missing sanitization

Aug 6, 2022

References

github.com / acrontum/filesystem-template/pull/14/commits/baeb727b60991ad82d9e63ac660883793abc0acc
PatchThird Party Advisory
security.snyk.io / vuln/SNYK-JS-ACRONTUMFILESYSTEMTEMPLATE-2419071
ExploitThird Party Advisory