{"cve":"CVE-2021-21733","nvd":{"published":"2021-05-19T12:15:07.867","modified":"2026-06-17T03:36:03.543","status":"Modified","description":"The management system of ZXCDN is impacted by the information leak vulnerability. Attackers can make further analysis according to the information returned by the program, and then obtain some sensitive information. This affects ZXCDN V7.01 all versions up to IAMV7.01.01.02.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","score":4.9},"cwes":["CWE-200"],"references":["https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1015304","https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1015304"],"products":["zte:zxcdn"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-21733","score":0.0079,"percentile":0.56282,"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."]}