Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-21190

33
FAUCET Score

CVE-2022-21190 is a critical vulnerability affecting the 'convict' package before version 6.2.3, specifically a bypass of a previous fix for CVE-2022-22143. This flaw allows attackers to prepend dangerous paths with arbitrary strings, bypassing existing security checks. With a CVSS score of 9.8 (Critical), it presents a high risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness and potential future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.2.3CPE matchmatch criteria
cpe:2.3:a:mozilla:convict:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.80%
Probability of exploitation in next 30 days
EPSS Percentile
88.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0380 is in the 82nd 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: convictFixed in: 6.2.3

Vendor Advisories (2)

npmGHSA-jjf5-wx3j-3fv7critical

Prototype Pollution in convict

May 14, 2022
redhatCVE-2022-21190Moderate

convict: A Prototype Pollution Vulnerbility in convict

May 13, 2022

References

gist.github.com / dellalibera/cebce20e51410acebff1f46afdc89808
ExploitThird Party Advisory
github.com / mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571
Broken LinkPatchThird Party Advisory
github.com / mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07
Broken LinkRelease NotesTool Signature
github.com / mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75
PatchTool Signature
snyk.io / vuln/SNYK-JS-CONVICT-2774757
ExploitThird Party Advisory