High severity · published Jun 11, 2021
CVE-2021-28801
An out-of-bounds read vulnerability has been reported to affect certain QNAP switches running QSS
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
An out-of-bounds read vulnerability has been reported to affect certain QNAP switches running QSS. If exploited, this vulnerability allows attackers to read sensitive information on the system. This issue affects: QNAP Systems Inc. QSS versions prior to 1.0.2 build 20210122 on QSW-M2108-2C; versions prior to 1.0.2 build 20210122 on QSW-M2108-2S; versions prior to 1.0.2 build 20210122 on QSW-M2108R-2C.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QS
Qss · Qnap
before 1.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28801
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28801
Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-21-23
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