What is CVE-2021-22292?

CVE-2021-22292 is a high-severity vulnerability in Huawei Ecns280. CVSS score: 7.5/10. Published 2021-02-06.

How severe is CVE-2021-22292?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Huawei Ecns280

CVE-2021-22292

There is a denial of service (DoS) vulnerability in eCNS280 versions V100R005C00, V100R005C10. Due to a design defect, remote unauthorized attackers send a large number of specific messages to affected devices, causing system resource exhaustion and web application DoS.

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

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

References

www.huawei.com/en/psirt/security-advisories/huawei-sa-20210113-02-dos-en (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22292?: CVE-2021-22292 is a high-severity vulnerability in Huawei Ecns280. CVSS score: 7.5/10. Published 2021-02-06.
How severe is CVE-2021-22292?: High severity. CVSS v3 base score is 7.5 out of 10.