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CVE-2021-3794

25
FAUCET Score

CVE-2021-3794 describes an Inefficient Regular Expression Complexity vulnerability affecting the vuelidate_project vuelidate library. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low attack complexity, leading to a high availability impact. There is currently 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
< 0.7.7CPE matchmatch criteria
cpe:2.3:a:vuelidate_project:vuelidate:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:vuelidate_project:vuelidate:1.0.0:alpha1:*:*:*:node.js:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:vuelidate_project:vuelidate:1.0.0:alpha2:*:*:*:node.js:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:vuelidate_project:vuelidate:2.0.0:alpha0:*:*:*:node.js:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:vuelidate_project:vuelidate:2.0.0:alpha1:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 45th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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: @vuelidate/validatorsFixed in: 2.0.0-alpha.22

Vendor Advisories (1)

npmGHSA-vvf2-ppj9-pp49high

Inefficient Regular Expression Complexity in vuelidate

Sep 20, 2021

References

github.com / vuelidate/vuelidate/commit/1f0ca31c30e5032f00dbd14c4791b5ee7928f71d
PatchThird Party Advisory
huntr.dev / bounties/d8201b98-fb91-4c12-a6f7-181b4a20d9b7
ExploitIssue TrackingPatchThird Party Advisory