Vulnerability in Cronvel Terminal-Kit
CVE-2021-4306
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.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.009 (59.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
- Cronvel Terminal-Kit — versions 2.1.0, 2.1.1, 2.1.2
- Terminal-Kit Project
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, permissions-required, Third Party Advisory)
- github.com/cronvel/terminal-kit/commit/a2e446cc3927b559d0281683feb9b821e83b758c (Patch, Third Party Advisory, patch)
- github.com/cronvel/terminal-kit/releases/tag/v2.1.8 (Third Party Advisory, Release Notes, patch)
Frequently asked questions
- What is CVE-2021-4306?
- CVE-2021-4306 is a low-severity vulnerability in Cronvel Terminal-Kit, classified under Inefficient Regular Expression Complexity. CVSS score: 3.5/10. Published 2023-01-07.
- How severe is CVE-2021-4306?
- Low severity. CVSS v3 base score is 3.5 out of 10.