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CVE-2023-6401— NotePad++ dbghelp.exe uncontrolled search path

Quick assessment

Affected
n/a NotePad++
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Notepad++是中国台湾侯今吾（Don Ho）个人开发者的一款开源的纯文本编辑器。 Notepad++ 8.1版本及之前版本存在代码问题漏洞，该漏洞源于搜索路径不受控制。

CVSS 5.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1574.001 · DLL
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I. Basic Information for CVE-2023-6401

Vulnerability Information
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Vulnerability Title
NotePad++ dbghelp.exe uncontrolled search path
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as problematic was found in NotePad++ up to 8.1. Affected by this vulnerability is an unknown functionality of the file dbghelp.exe. The manipulation leads to uncontrolled search path. An attack has to be approached locally. The identifier VDB-246421 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Notepad++ 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Notepad++是中国台湾侯今吾（Don Ho）个人开发者的一款开源的纯文本编辑器。 Notepad++ 8.1版本及之前版本存在代码问题漏洞，该漏洞源于搜索路径不受控制。
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
- NotePad++ 8.0 -

II. Public POCs for CVE-2023-6401

# POC Description Source Link Shenlong Link
1 CVE-2023-6401 is a DLL hijacking vulnerability that allows attackers to execute arbitrary code by placing a malicious `dbghelp.dll` file in the application directory. This project demonstrates the vulnerability and provides a reproducible PoC. https://github.com/mekitoci/CVE-2023-6401 POC Details
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III. Intelligence Information for CVE-2023-6401

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Vendor Advisories for CVE-2023-6401 (2)

Same Patch Batch · n/a · 2023-11-30 · 36 CVEs total

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CVE-2023-47453 Sohu Video Player 安全漏洞
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CVE-2023-48812 TOTOLINK X6000R 安全漏洞
CVE-2023-48894 jshERP 安全漏洞
CVE-2023-48912 Dreamer CMS 跨站请求伪造漏洞
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CVE-2023-48914 Dreamer CMS 跨站请求伪造漏洞
CVE-2023-48963 Tenda i6 安全漏洞
CVE-2023-48964 Tenda i6 安全漏洞
CVE-2023-46385 LOYTEC electronics GmbH LINX Configurator 安全漏洞
CVE-2023-47418 O2OA 安全漏洞

Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: NotePad++
Same vendor: n/a
Same weakness: CWE-427

V. Comments for CVE-2023-6401

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