{"cve":"CVE-2021-21737","nvd":{"published":"2021-06-24T11:15:07.833","modified":"2026-06-17T03:36:03.973","status":"Modified","description":"A smart STB product of ZTE is impacted by a permission and access control vulnerability. Due to insufficient protection of system application, attackers could use this vulnerability to tamper with the system desktop and affect system customization functions. This affects: ZXV10 B860H V5.0, V83011303.0010, V83011303.0016","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:H/A:N","score":7.5},"cwes":["CWE-276"],"references":["https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1016004","https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1016004"],"products":["zte:zxv10_b860h_v5.0_firmware"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-21737","score":0.00781,"percentile":0.55983,"date":"2026-11-01"},"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."]}