{"cve":"CVE-2021-22292","nvd":{"published":"2021-02-06T03:15:12.720","modified":"2026-06-17T03:36:56.983","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":[],"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"],"products":["huawei:ecns280_firmware"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-22292","score":0.00904,"percentile":0.5981,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}