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High severity7.5NVD Advisory· Published Mar 22, 2021· Updated Jun 17, 2026

CVE-2021-22320

CVE-2021-22320

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

43
  • Huawei/Ips Module Firmware3 versions
    cpe:2.3:o:huawei:ips_module_firmware:v500r005c00spc100:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:huawei:ips_module_firmware:v500r005c00spc100:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:ips_module_firmware:v500r005c00spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:ips_module_firmware:v500r005c20spc300:*:*:*:*:*:*:*
  • Huawei/Ngfw Module Firmware3 versions
    cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c00spc100:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c00spc100:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c00spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c20spc300:*:*:*:*:*:*:*
  • Huawei/Nip6600 Firmware7 versions
    cpe:2.3:o:huawei:nip6600_firmware:v500r001c30spc200:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:huawei:nip6600_firmware:v500r001c30spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6600_firmware:v500r001c30spc600:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6600_firmware:v500r001c60spc500:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6600_firmware:v500r005c00spc100:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6600_firmware:v500r005c00spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6600_firmware:v500r005c20spc300:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6600_firmware:v500r005c20spc500:*:*:*:*:*:*:*
  • Huawei/Nip6800 Firmware5 versions
    cpe:2.3:o:huawei:nip6800_firmware:v500r001c60spc500:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:huawei:nip6800_firmware:v500r001c60spc500:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6800_firmware:v500r005c00spc100:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6800_firmware:v500r005c00spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6800_firmware:v500r005c20spc300:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:nip6800_firmware:v500r005c20spc500:*:*:*:*:*:*:*
  • Huawei/Secospace Usg6300 Firmware7 versions
    cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c30spc200:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c30spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c30spc600:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c60spc500:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c00spc100:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c00spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c20spc300:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c20spc500:*:*:*:*:*:*:*
  • Huawei/Secospace Usg6500 Firmware7 versions
    cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c30spc200:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c30spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c30spc600:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c60spc500:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r005c00spc100:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r005c00spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r005c20spc300:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r005c20spc500:*:*:*:*:*:*:*
  • Huawei/Secospace Usg6600 Firmware7 versions
    cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c30spc200:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c30spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c30spc600:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c60spc500:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r005c00spc100:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r005c00spc200:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r005c20spc300:*:*:*:*:*:*:*
    • cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r005c20spc500:*:*:*:*:*:*:*
  • Huawei/IPS Module, NGFW Module, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500 and Secospace USG6600description
  • Huawei/NIP6600llm-fuzzy
  • Huawei/Ips Modulellm-fuzzy
  • Huawei/Ngfw Modulellm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

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