{"cve":"CVE-2017-2721","nvd":{"published":"2017-11-22T19:29:01.397","modified":"2026-06-17T01:16:44.453","status":"Modified","description":"Some Huawei smart phones with software Berlin-L21C10B130,Berlin-L21C185B133,Berlin-L21HNC10B131,Berlin-L21HNC185B140,Berlin-L21HNC432B151,Berlin-L22C636B160,Berlin-L22HNC636B130,Berlin-L22HNC675B150CUSTC675D001,Berlin-L23C605B131,Berlin-L24HNC567B110,FRD-L02C432B120,FRD-L02C635B130,FRD-L02C675B170CUSTC675D001,FRD-L04C567B162,FRD-L04C605B131,FRD-L09C10B130,FRD-L09C185B130,FRD-L09C432B131,FRD-L09C636B130,FRD-L14C567B162,FRD-L19C10B130,FRD-L19C432B131,FRD-L19C636B130 have a factory Reset Protection (FRP) bypass security vulnerability. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can login the configuration flow by Swype Keyboard and can perform some operations to update the Google account. As a result, the FRP function is bypassed.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":4.6},"cwes":["CWE-287"],"references":["http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170920-01-frpbypass-en","http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170920-01-frpbypass-en"],"products":["huawei:berlin-l21_firmware","huawei:berlin-l21hn_firmware","huawei:berlin-l22_firmware","huawei:berlin-l22hn_firmware","huawei:berlin-l23_firmware","huawei:berlin-l24hn_firmware","huawei:frd-l02_firmware","huawei:frd-l04_firmware","huawei:frd-l09_firmware","huawei:frd-l14_firmware","huawei:frd-l19_firmware"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2017-2721","score":0.00197,"percentile":0.09504,"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."]}