CVE-2021-28800

Command Injection Vulnerability in QTS

Description

A command injection vulnerability has been reported to affect QNAP NAS running legacy versions of QTS. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.3.6.1663 Build 20210504; versions prior to 4.3.3.1624 Build 20210416. This issue does not affect: QNAP Systems Inc. QTS 4.5.3. QNAP Systems Inc. QuTS hero h4.5.3. QNAP Systems Inc. QuTScloud c4.5.5.

Remediation

Solution:

  • QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.1663 Build 20210504 and later QTS 4.3.3.1624 Build 20210416 and later

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.10% Top 25%
Vendor Advisory qnap.com
Affected: QNAP Systems Inc. QTS
Affected: QNAP Systems Inc. QuTS hero
Affected: QNAP Systems Inc. QuTScloud
Published at:
Updated at:

References

Link Tags
https://www.qnap.com/zh-tw/security-advisory/qsa-21-28 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-28800?
CVE-2021-28800 has been scored as a high severity vulnerability.
How to fix CVE-2021-28800?
To fix CVE-2021-28800: QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.1663 Build 20210504 and later QTS 4.3.3.1624 Build 20210416 and later
Is CVE-2021-28800 being actively exploited in the wild?
It is possible that CVE-2021-28800 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-28800?
CVE-2021-28800 affects QNAP Systems Inc. QTS, QNAP Systems Inc. QuTS hero, QNAP Systems Inc. QuTScloud.
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