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Case File

CVE-2020-23478

HIGH · CVSS 7.5 EPSS 1.23% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-22 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-23478
Severity
HIGH
CVSS
7.5
EPSS
1.23%

Original NVD Description

Leo Editor v6.2.1 was discovered to contain a regular expression denial of service (ReDoS) vulnerability in the component plugins/importers/dart.py.