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Case File

CVE-2021-4021

HIGH · CVSS 7.5 EPSS 1.05% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-24 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

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-2021-4021
Severity
HIGH
CVSS
7.5
EPSS
1.05%

Original NVD Description

A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.