CVE-2021-22292

7.5 highEPSS 0.9%

High (7.5) in huawei ecns280 firmware. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
Published: 2021-02-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

huawei:ecns280_firmware

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210113-02-dos-en
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210113-02-dos-en

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