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CVE-2024-38270

Quick assessment

Affected
Zyxel GS1900-10HP firmware
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.

Zyxel GS1900是中国合勤（Zyxel）公司的一款管理型交换机。 Zyxel GS1900-10HP V2.80(AAZI.0)C0版本存在安全特征问题漏洞，该漏洞源于在生成Web身份验证令牌时不当使用熵值较低的随机函数。

CVSS 5.3 · Medium EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2024-38270

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to gain a valid session token if multiple authenticated sessions are alive.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息熵不充分
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel GS1900 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel GS1900是中国合勤（Zyxel）公司的一款管理型交换机。 Zyxel GS1900-10HP V2.80(AAZI.0)C0版本存在安全特征问题漏洞，该漏洞源于在生成Web身份验证令牌时不当使用熵值较低的随机函数。
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 GS1900-10HP firmware V2.80(AAZI.0)C0 -

II. Public POCs for CVE-2024-38270

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III. Intelligence Information for CVE-2024-38270

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IV. Related Vulnerabilities

Same vendor: Zyxel
Same weakness: CWE-331

V. Comments for CVE-2024-38270

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