{"cve":"CVE-2021-22307","nvd":{"published":"2021-02-06T00:15:13.327","modified":"2026-06-17T03:36:58.400","status":"Modified","description":"There is a weak algorithm vulnerability in Mate 3010.0.0.203(C00E201R7P2). The protection is insufficient for the modules that should be protected. Local attackers can exploit this vulnerability to affect the integrity of certain module.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":5.5},"cwes":[],"references":["https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210127-06-smartphone-en","https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210127-06-smartphone-en"],"products":["huawei:mate_30_firmware"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-22307","score":0.00199,"percentile":0.09772,"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."]}