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CVE-2023-5372

Quick assessment

Affected
Zyxel NAS326 firmware
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel NAS326是中国合勤（Zyxel）公司的一款云存储 NAS。 Zyxel NAS326 firmware V5.21(AAZF.15)C0版本及之前版本、NAS542 firmware V5.21(ABAG.12)C0版本及之前版本存在操作系统命令注入漏洞。攻击者利用该漏洞通过特制的查询参数执行命令。

CVSS 7.2 · High EPSS 28.47% · P98

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
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I. Basic Information for CVE-2023-5372

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The post-authentication command injection vulnerability in Zyxel NAS326 firmware versions through V5.21(AAZF.15)C0 and NAS542 firmware versions through V5.21(ABAG.12)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands by sending a crafted query parameter attached to the URL of an affected device’s web management interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel NAS326 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel NAS326是中国合勤（Zyxel）公司的一款云存储 NAS。 Zyxel NAS326 firmware V5.21(AAZF.15)C0版本及之前版本、NAS542 firmware V5.21(ABAG.12)C0版本及之前版本存在操作系统命令注入漏洞。攻击者利用该漏洞通过特制的查询参数执行命令。
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
Zyxel NAS326 firmware <= V5.21(AAZF.15)C0 -
Zyxel NAS542 firmware <= V5.21(ABAG.12)C0 -

II. Public POCs for CVE-2023-5372

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III. Intelligence Information for CVE-2023-5372

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Other References for CVE-2023-5372 (1)

IV. Related Vulnerabilities

Same product: NAS326 firmware
Same vendor: Zyxel
Same weakness: CWE-78

V. Comments for CVE-2023-5372

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