Critical severity · published Jul 1, 2021
CVE-2021-28804
A command injection vulnerabilities have been reported to affect QTS and QuTS hero
9.8
CVSS
1.8%
EPSS
No
On KEV
Description
A command injection vulnerabilities have been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versions prior to h4.5.1.1582 build 20210217.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
Qts · Qnap
through 4.5.1.1540 · source: NVD
QH
Quts Hero · Qnap
through h4.5.1.1582 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28804
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28804
Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-21-29
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