CVE-2021-28805

Inclusion of Sensitive Information in QSS

MEDIUM

5.5

CVSS Score

Published: June 11, 2021 at 06:35 AM UTC

Updated: June 17, 2026 at 03:46 AM UTC

5 products affected across 1 vendorQSSQsw-M2108-2SQsw-M2108R-2C

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

Description

Inclusion of sensitive information in the source code has been reported to affect certain QNAP switches running QSS. If exploited, this vulnerability allows attackers to read application data. This issue affects: QNAP Systems Inc. QSS versions prior to 1.0.3 build 20210505 on QSW-M2108-2C; versions prior to 1.0.3 build 20210505 on QSW-M2108-2S; versions prior to 1.0.3 build 20210505 on QSW-M2108R-2C; versions prior to 1.0.12 build 20210506 on QSW-M408.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

QSS · Qnap

95%

v < 1.0.12v < 1.0.12 build 20210506v < 1.0.3v < 1.0.3 build 20210505

Affected range stops below 1.0.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.0.12 build 20210506, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.0.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.0.3 build 20210505, so it looks safe — our inference, not a vendor statement

qnap-qsw-m2108-2c (environment) · qnap-qsw-m2108-2s (environment) · qnap-qsw-m2108r-2c (environment) · qnap-qsw-m408 (environment)

Qsw-M2108-2C · Qnapdevice

80%

All versions

Qsw-M2108-2S · Qnapdevice

80%

All versions

Qsw-M2108R-2C · Qnapdevice

80%

All versions

Qsw-M408 · Qnapdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.qnap.com/zh-tw/security-advisory/qsa-21-24

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://www.qnap.com/zh-tw/security-advisory/qsa-21-24

CVSS

5.5MEDIUM[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-540CWE-200

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