CVE-2021-28801

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125

Affected software

VendorProductVersions
QNAP Systems Inc.QSS>= unspecified, < 1.0.2 build 20210122
QNAP Systems Inc.QSS>= unspecified, < 1.0.2 build 20210122
QNAP Systems Inc.QSS>= unspecified, < 1.0.2 build 20210122

References

Timeline

Published
Jun 11, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-28801: High severity, CVSS 7.5 | Vulnix