What is CVE-2021-22300?

CVE-2021-22300 is a medium-severity vulnerability in Huawei Ecns280 Td, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.1/10. Published 2021-02-06.

How severe is CVE-2021-22300?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Vulnerability in Huawei Ecns280 Td

CVE-2021-22300

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.

Published 2021-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Huawei Ecns280 Td
Huawei Ecns280 Td Firmware — versions v100r005c00, v100r005c10
Ecns280 Td — versions V100R005C00, V100R005C10

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

www.huawei.com/en/psirt/security-advisories/huawei-sa-20210127-01-cgp-en (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22300?: CVE-2021-22300 is a medium-severity vulnerability in Huawei Ecns280 Td, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.1/10. Published 2021-02-06.
How severe is CVE-2021-22300?: Medium severity. CVSS v3 base score is 4.1 out of 10.