Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2023-5376— TFTP Without Authentication

Quick assessment

Affected
Korenix JetNet Series
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.

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TFTP 中的不正确身份验证，允许用户将文件上传和下载到/home文件夹。

CVSS 8.6 · High EPSS 1.41% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-5376

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
TFTP Without Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Korenix JetNet 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TFTP 中的不正确身份验证，允许用户将文件上传和下载到/home文件夹。
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
Korenix JetNet Series firmware older than 2024/01 -

II. Public POCs for CVE-2023-5376

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-5376

请登录查看更多情报信息。

Exploits & Public PoCs for CVE-2023-5376 (1)

Mailing List Discussions for CVE-2023-5376 (1)

Other References for CVE-2023-5376 (2)

IV. Related Vulnerabilities

Same product: JetNet Series
Same vendor: Korenix
Same weakness: CWE-306

V. Comments for CVE-2023-5376

No comments yet

Leave a comment