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I. Basic Information for CVE-2023-5347
Vulnerability Information
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Vulnerability Title
Unauthenticated Firmware Upgrade
Source: NVD (National Vulnerability Database)
Vulnerability Description
An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables. This issue affects JetNet devices older than firmware version 2024/01.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Korenix JetNet 2024/01 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Korenix JetNet是科洛理思（Korenix）公司的一款工业5端口10 / 100Base-TX乙太网交换机。 Korenix JetNet 2024/01 之前固件版本存在安全漏洞，该漏洞源于在更新过程中的加密签名验证不正确，允许替换整个操作系统，包括可信可执行文件。
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
VendorProductAffected VersionsCPESubscribe
KorenixJetNet Series firmware older than 2024/01 -
II. Public POCs for CVE-2023-5347
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III. Intelligence Information for CVE-2023-5347
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IV. Related Vulnerabilities
Same product: JetNet Series
Same vendor: Korenix
Same weakness: CWE-347
V. Comments for CVE-2023-5347

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