{"id":"CVE-2021-4306","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-4306","generatedAt":"2026-10-27T17:39:11.794Z","title":"A vulnerability classified as problematic has been found in cronvel terminal-kit up to 2.1.7.","description":"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.","published":"2023-01-07T17:15:10.000Z","lastModified":"2026-06-17T04:19:28.000Z","status":"Modified","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-1333"],"affected":["terminal-kit project/terminal-kit"],"epss":{"score":0.0099,"percentile":0.62275,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/cronvel/terminal-kit/commit/a2e446cc3927b559d0281683feb9b821e83b758c","tags":["Patch","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://github.com/cronvel/terminal-kit/releases/tag/v2.1.8","tags":["Release Notes","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.217620","tags":["Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.217620","tags":["Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://github.com/cronvel/terminal-kit/commit/a2e446cc3927b559d0281683feb9b821e83b758c","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/cronvel/terminal-kit/releases/tag/v2.1.8","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?ctiid.217620","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?id.217620","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-4306","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}