AUGUST 4, 2026
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Case File

CVE-2021-43307

MEDIUM · CVSS 5.9 EPSS 1.55%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-06-02 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.9. It may lead to a denial-of-service condition.

CVE
CVE-2021-43307
Severity
MEDIUM
CVSS
5.9
EPSS
1.55%

Original NVD Description

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

Related CVEs

Other vulnerabilities affecting the same vendor(s)