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CVE-2021-28813— Insufficiently Protected Credentials Vulnerability in QSW-M2116P-2T2S and QuNetSwitch

Quick assessment

Affected
QNAP Systems Inc. QSW-M2116P-2T2S
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Qnap Systems QSW-M2116P-2T2S是中国威联通（Qnap Systems）公司的适用于 Wi-Fi 6 代的 90 瓦 10GbE PoE++ 和 30 瓦 2.5GbE PoE+ 管理型交换机。 QSW-M2116P-2T2S 存在安全漏洞，该漏洞允许远程攻击者通过访问不受限制的存储机制来读取敏感信息。以下产品及版本受到影响：QSW-M2116P-2T2S 1.0.6之前版本， QuNetSwitch 1.0.6.1509之前版本，QuNetSwitch 1.0.6.1509 之前

CVSS 9.6 · Critical EPSS 1.09% · P63

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-28813

Vulnerability Information
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Vulnerability Title
Insufficiently Protected Credentials Vulnerability in QSW-M2116P-2T2S and QuNetSwitch
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability involving insecure storage of sensitive information has been reported to affect QSW-M2116P-2T2S and QNAP switches running QuNetSwitch. If exploited, this vulnerability allows remote attackers to read sensitive information by accessing the unrestricted storage mechanism.We have already fixed this vulnerability in the following versions: QSW-M2116P-2T2S 1.0.6 build 210713 and later QGD-1600P: QuNetSwitch 1.0.6.1509 and later QGD-1602P: QuNetSwitch 1.0.6.1509 and later QGD-3014PT: QuNetSwitch 1.0.6.1519 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的口令
Source: CVE Program / CVE List V5
Vulnerability Title
QSW-M2116P-2T2S 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qnap Systems QSW-M2116P-2T2S是中国威联通（Qnap Systems）公司的适用于 Wi-Fi 6 代的 90 瓦 10GbE PoE++ 和 30 瓦 2.5GbE PoE+ 管理型交换机。 QSW-M2116P-2T2S 存在安全漏洞，该漏洞允许远程攻击者通过访问不受限制的存储机制来读取敏感信息。以下产品及版本受到影响：QSW-M2116P-2T2S 1.0.6之前版本， QuNetSwitch 1.0.6.1509之前版本，QuNetSwitch 1.0.6.1509 之前
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
QNAP Systems Inc. QSW-M2116P-2T2S unspecified ~ 1.0.6 build 210713 -
QNAP Systems Inc. QuNetSwitch unspecified ~ 1.0.6.1509 -
QNAP Systems Inc. QuNetSwitch unspecified ~ 1.0.6.1509 -
QNAP Systems Inc. QuNetSwitch unspecified ~ 1.0.6.1519 -

II. Public POCs for CVE-2021-28813

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III. Intelligence Information for CVE-2021-28813

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Other References for CVE-2021-28813 (1)

Same Patch Batch · QNAP Systems Inc. · 2021-09-10 · 7 CVEs total

CVE-2021-34344 9.8 CRITICAL Stack Buffer Overflow Vulnerability in QUSBCam2
CVE-2021-34345 9.8 CRITICAL Stack Based Overflow Vulnerability in NVR Storage Expansion
CVE-2021-34346 9.8 CRITICAL Stack Based Overflow Vulnerability in NVR Storage Expansion
CVE-2021-28816 7.6 HIGH Stack Buffer Overflow Vulnerabilities in QTS, QuTS hero, and QuTScloud
CVE-2021-34343 6.0 MEDIUM Buffer Overflow Vulnerability in QTS, QuTS hero, and QuTScloud
CVE-2018-19957 Insufficient HTTP Security Headers in QTS, QuTS hero, and QuTScloud

IV. Related Vulnerabilities

Same vendor: QNAP Systems Inc.
Same weakness: CWE-259

V. Comments for CVE-2021-28813

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