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Case File

CVE-2020-6840

CRITICAL · CVSS 9.8 EPSS 1.50% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-01-11 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

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

GitHub PoC Links

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

CVE
CVE-2020-6840
Severity
CRITICAL
CVSS
9.8
EPSS
1.50%

Original NVD Description

In mruby 2.1.0, there is a use-after-free in hash_slice in mrbgems/mruby-hash-ext/src/hash-ext.c.

Related CVEs

Other vulnerabilities affecting the same vendor(s)