{"id":"CVE-2021-21737","aliases":["EUVD-2021-8909","GHSA-c6fv-7r7c-32q7"],"status":"published","title":"A smart STB product of ZTE is impacted by a permission and access control vulnerability. Due to...","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","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00781,"percentile":0.56289,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-276"],"published":"2021-06-24T10:39:42Z","modified":"2026-06-17T03:36:03Z","products":[{"vendor":"zte","product":"zxv10_b860h_v5.0_firmware"}],"references":[{"url":"https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1016004","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21737"},{"url":"https://github.com/advisories/GHSA-c6fv-7r7c-32q7"}],"sources":{"cve":[{"id":"CVE-2021-21737","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","status":"published","published":"2021-06-24T10:39:42Z","modified":"2024-08-03T18:23:29.086Z","updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-8909","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","status":"published","published":"2021-06-24T10:39:42Z","modified":"2024-08-03T18:23:29Z","updated_at":"2026-11-03T03:25:05.131984Z"}],"ghsa":[{"id":"GHSA-c6fv-7r7c-32q7","title":"A smart STB product of ZTE is impacted by a permission and access control vulnerability. Due to...","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","status":"published","published":"2022-05-24T19:06:03Z","modified":"2023-01-29T05:08:05Z","cwes":["CWE-276"],"updated_at":"2026-11-02T14:46:12.058225Z"}],"nvd":[{"id":"CVE-2021-21737","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","status":"published","published":"2021-06-24T11:15:07.833Z","modified":"2026-06-17T03:36:03.973Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}