Name: CVE-2021-43307: Inefficient Regular Expression Complexity
Creator: Rapid7
Published: 2022-06-01T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-43307, CWE-1333, CVSS 5.9, EPSS 0.01533

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the semver-regex npm package, when an attacker is able to supply arbitrary input to the test() method

CVSS Details

CVSS 3.1 Base Score: 5.9
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Insert Special Characters Plugin	—	Update insert-special-characters plugin to version 1.0.5, or a newer patched version	May 15, 2025	May 13, 2022

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence