{"cve":"CVE-2021-21750","nvd":{"published":"2021-12-27T19:15:08.013","modified":"2026-06-17T03:36:05.323","status":"Modified","description":"ZTE BigVideo Analysis product has a privilege escalation vulnerability. Due to improper management of the timed task modification privilege, an attacker with ordinary user permissions could exploit this vulnerability to gain unauthorized access.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-269"],"references":["https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1021884","https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1021884"],"products":["zte:zxin10_cms"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-21750","score":0.00333,"percentile":0.26549,"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."]}