{"cve":"CVE-2021-28812","nvd":{"published":"2021-06-03T03:15:08.610","modified":"2026-06-17T03:46:54.523","status":"Modified","description":"A command injection vulnerability has been reported to affect certain versions of Video Station. If exploited, this vulnerability allows remote attackers to execute arbitrary commands. This issue affects: QNAP Systems Inc. Video Station versions prior to 5.5.4 on QTS 4.5.2; versions prior to 5.5.4 on QuTS hero h4.5.2; versions prior to 5.5.4 on QuTScloud c4.5.4. This issue does not affect: QNAP Systems Inc. Video Station on QTS 4.3.6; on QTS 4.3.3.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-77","CWE-78","CWE-1286"],"references":["https://www.qnap.com/zh-tw/security-advisory/qsa-21-21","https://www.qnap.com/zh-tw/security-advisory/qsa-21-21"],"products":["qnap:video_station"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-28812","score":0.01553,"percentile":0.75128,"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."]}