Command Injection Vulnerability in Video Station

published 2021-06-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15468

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

QNAP Systems Inc. Video Station 5.5.4

Exploit prediction

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

QNAP Systems Inc. Video Station

Classification

Weakness

CWE-1286 Improper Validation of Syntactic Correctness of Input
CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

qnap.com /zh-tw/security-advisory/qsa-21-21
vendor-advisory

Sources

CVE List CVE-2021-28812
NVD CVE-2021-28812

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Summary