CVE-2021-22310

lowpriority · track · 18EPSS 0.002 · 9 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.19% (9th) EPSS

CVSS 2.1 · low

Is it mine?

23 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

There is an information leakage vulnerability in some huawei products. Due to the properly storage of specific information in the log file, the attacker can obtain the information when a user logs in to the device. Successful exploit may cause an information leak. Affected product versions include: NIP6300 versions V500R001C00,V500R001C20,V500R001C30;NIP6600 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6300 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6500 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6600 versions V500R001C00,V500R001C20,V500R001C30,V500R001C50,V500R001C60,V500R001C80;USG9500 versions V500R005C00,V500R005C10.

cvss

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

4.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–4.4

v2.02.1lowAV:L/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 0.8 · impact 3.6

v3.14.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-532USprimary

affected products (23)

Products and version ranges known to be affected.

n/a NIP6300;NIP6600;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500≤ V500R001C00,V500R001C20,V500R001C30,V500R001C50,V500R001C60,V500R001C80enisa_euvdEU
n/a NIP6300;NIP6600;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500≤ V500R005C00,V500R005C10enisa_euvdEU
n/a NIP6300;NIP6600;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500≤ V500R001C00,V500R001C20,V500R001C30enisa_euvdEU
huawei nip6300 firmware= v500r001c00nvdUScpe:2.3:o:huawei:nip6300_firmware:*:*:*:*:*:*:*:*
huawei nip6300 firmware= v500r001c20nvdUScpe:2.3:o:huawei:nip6300_firmware:*:*:*:*:*:*:*:*
huawei nip6300 firmware= v500r001c30nvdUScpe:2.3:o:huawei:nip6300_firmware:*:*:*:*:*:*:*:*
huawei nip6600 firmware= v500r001c00nvdUScpe:2.3:o:huawei:nip6600_firmware:*:*:*:*:*:*:*:*
huawei nip6600 firmware= v500r001c20nvdUScpe:2.3:o:huawei:nip6600_firmware:*:*:*:*:*:*:*:*
huawei nip6600 firmware= v500r001c30nvdUScpe:2.3:o:huawei:nip6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6300 firmware= v500r001c00nvdUScpe:2.3:o:huawei:secospace_usg6300_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6300 firmware= v500r001c20nvdUScpe:2.3:o:huawei:secospace_usg6300_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6300 firmware= v500r001c30nvdUScpe:2.3:o:huawei:secospace_usg6300_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6500 firmware= v500r001c00nvdUScpe:2.3:o:huawei:secospace_usg6500_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6500 firmware= v500r001c20nvdUScpe:2.3:o:huawei:secospace_usg6500_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6500 firmware= v500r001c30nvdUScpe:2.3:o:huawei:secospace_usg6500_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c00nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c20nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c30nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c50nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*
huawei secospace usg6600 firmware= v500r001c60nvdUScpe:2.3:o:huawei:secospace_usg6600_firmware:*:*:*:*:*:*:*:*

showing 20 of 23

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

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+1486 more

references (5)

External citations — patches, advisories, analysis.

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