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Case File

CVE-2021-22320

HIGH · CVSS 7.5 EPSS 0.73% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-22 · 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-2021-22320
Severity
HIGH
CVSS
7.5
EPSS
0.73%

Original NVD Description

There is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages correctly. Attackers can exploit this vulnerability by sending malicious messages to an affected module. This can lead to denial of service. Affected product include some versions of IPS Module, NGFW Module, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500 and Secospace USG6600.