AUGUST 4, 2026
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Case File

CVE-2021-22456

MEDIUM · CVSS 5.5 EPSS 0.15% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-28 · 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.

Detected Signals
exploit

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

CVE
CVE-2021-22456
Severity
MEDIUM
CVSS
5.5
EPSS
0.15%

Original NVD Description

A component of the HarmonyOS has a Data Processing Errors vulnerability. Local attackers may exploit this vulnerability to cause Kernel System unavailable.