CVE-2020-9213

mediumpriority · track · 30EPSS 0.008 · 55 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.75% (55th) EPSS

CVSS 5 · medium

Is it mine?

24 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

There is a denial of service vulnerability in some huawei products. In specific scenarios, due to the improper handling of the packets, an attacker may craft many specific packets. Successful exploit may cause some services to be abnormal. Affected products include some versions of NGFW Module, NIP6300, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500, Secospace USG6600 and SG9500.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USLLM-inferred

affected products (24)

Products and version ranges known to be affected.

n/a NGFW Module;NIP6300;NIP6600;NIP6800;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500≤ V500R005C00enisa_euvdEU
n/a NGFW Module;NIP6300;NIP6600;NIP6800;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500≤ V500R001C30,V500R001C60,V500R005C00enisa_euvdEU
n/a NGFW Module;NIP6300;NIP6600;NIP6800;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500≤ V500R001C60,V500R005C00enisa_euvdEU
huawei ngfw module firmware= v500r005c00nvdUScpe:2.3:o:huawei:ngfw_module_firmware:*:*:*:*:*:*:*:*
huawei nip6300 firmware= v500r001c30nvdUScpe:2.3:o:huawei:nip6300_firmware:*:*:*:*:*:*:*:*
huawei nip6300 firmware= v500r001c60nvdUScpe:2.3:o:huawei:nip6300_firmware:*:*:*:*:*:*:*:*
huawei nip6300 firmware= v500r005c00nvdUScpe:2.3:o:huawei:nip6300_firmware:*:*:*:*:*:*:*:*
huawei nip6600 firmware= v500r001c30nvdUScpe:2.3:o:huawei:nip6600_firmware:*:*:*:*:*:*:*:*
huawei nip6600 firmware= v500r001c60nvdUScpe:2.3:o:huawei:nip6600_firmware:*:*:*:*:*:*:*:*
huawei nip6600 firmware= v500r005c00nvdUScpe:2.3:o:huawei:nip6600_firmware:*:*:*:*:*:*:*:*
huawei nip6800 firmware= v500r001c60nvdUScpe:2.3:o:huawei:nip6800_firmware:*:*:*:*:*:*:*:*
huawei nip6800 firmware= v500r005c00nvdUScpe:2.3:o:huawei:nip6800_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6300 firmware= v500r001c30nvdUScpe:2.3:o:huawei:secospace_usg6300_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6300 firmware= v500r001c60nvdUScpe:2.3:o:huawei:secospace_usg6300_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6300 firmware= v500r005c00nvdUScpe:2.3:o:huawei:secospace_usg6300_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6500 firmware= v500r001c30nvdUScpe:2.3:o:huawei:secospace_usg6500_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6500 firmware= v500r001c60nvdUScpe:2.3:o:huawei:secospace_usg6500_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6500 firmware= v500r005c00nvdUScpe:2.3:o:huawei:secospace_usg6500_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c30nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c60nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*

showing 20 of 24

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-03-22modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

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