CVE-2021-28801

low-risk
Published 2021-06-11

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.

Do I need to act?

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0.28% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.1/10 Low
ADJACENT_NETWORK / HIGH complexity

Affected Products (1)

Qss

Affected Vendors

Qnap

References (2)

Vendor Advisory https://www.qnap.com/zh-tw/security-advisory/qsa-21-23
Vendor Advisory https://www.qnap.com/zh-tw/security-advisory/qsa-21-23
14
/ 100
low-risk
Severity 8/34 · Low
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal