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Case File

CVE-2020-21047

MEDIUM · CVSS 5.5 EPSS 0.23% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-08-22 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. 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.

Detected Signals
exploit

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

CVE
CVE-2020-21047
Severity
MEDIUM
CVSS
5.5
EPSS
0.23%

Original NVD Description

The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.

Related CVEs

Other vulnerabilities affecting the same vendor(s)