High severity · published Jun 11, 2021
CVE-2021-28814
An improper access control vulnerability has been reported to affect QNAP NAS
8.8
CVSS
1.2%
EPSS
No
On KEV
Description
An improper access control vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows remote attackers to compromise the security of the software. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
Helpdesk · Qnap
before 3.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28814
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28814
Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-21-25
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