CVE-2021-22300

lowpriority · track · 16OT risk · elevatedEPSS 0.001 · 4 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.15% (4th) EPSS

CVSS 1.9 · low

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

There is an information leak vulnerability in eCNS280_TD versions V100R005C00 and V100R005C10. A command does not have timeout exit mechanism. Temporary file contains sensitive information. This allows attackers to obtain information by inter-process access that requires other methods.

cvss

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

4.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.9–4.1

v2.01.9lowAV:L/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.4 · impact 2.9

v3.14.1mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 0.5 · impact 3.6

v3.13.8lowCVSS:3.1/AV:L/AC:H/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-312USprimary

affected products (4)

Products and version ranges known to be affected.

n/a eCNS280_TD≤ V100R005C00enisa_euvdEU
n/a eCNS280_TD≤ V100R005C10enisa_euvdEU
huawei ecns280 td firmware= v100r005c00nvdUScpe:2.3:o:huawei:ecns280_td_firmware:*:*:*:*:*:*:*:*
huawei ecns280 td firmware= v100r005c10nvdUScpe:2.3:o:huawei:ecns280_td_firmware:*:*:*:*:*:*:*:*

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 2021-02-06modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

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