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Fencer Intel
low 3.5

CVE-2021-4306 json

cronvel terminal-kit redos

published 3y ago modified 4mo ago also GHSA-wxgh-8gmr-3qh3 , EUVD-2023-0580

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

A vulnerability classified as problematic has been found in cronvel terminal-kit up to 2.1.7. Affected is an unknown function. The manipulation leads to inefficient regular expression complexity. Upgrading to version 2.1.8 is able to address this issue. The name of the patch is a2e446cc3927b559d0281683feb9b821e83b758c. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217620.

Patch / fix

  • npm terminal-kit 2.1.8
  • terminal-kit_project terminal-kit 2.1.8

Is CVE-2021-4306 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 3.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA 3.0 3.5 CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA 2.0 2.3 AV:A/AC:M/Au:S/C:N/I:N/A:P
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm terminal-kit
<2.1.8
2.1.8

Affected products

  • cronvel terminal-kit

Classification

Weakness
  • CWE-1333 Inefficient Regular Expression Complexity

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.