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CVE-2021-41566— Tad TadTools - Arbitrary File Upload

Quick assessment

Affected
Tad TadTools
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.

Tad TadTools是中国台湾Tad个人开发者的一个模组工具包。用于模组开发，可大幅减少每个模组的体积，并且加速开发时程。 Tad TadTools 中存在代码问题漏洞，该漏洞源于产品file upload函数未对文件扩展名进行过滤。攻击者可通过该漏洞上传任意类型文件并执行任意代码。以下产品及版本受到影响： Tad TadTools v3.2.1 版本及之前版本。

CVSS 9.8 · Critical EPSS 2.01% · P79

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2021-41566

Vulnerability Information
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Vulnerability Title
Tad TadTools - Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The file extension of the TadTools file upload function fails to filter, thus remote attackers can upload any types of files and execute arbitrary code without logging in.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Tad TadTools 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tad TadTools是中国台湾Tad个人开发者的一个模组工具包。用于模组开发，可大幅减少每个模组的体积，并且加速开发时程。 Tad TadTools 中存在代码问题漏洞，该漏洞源于产品file upload函数未对文件扩展名进行过滤。攻击者可通过该漏洞上传任意类型文件并执行任意代码。以下产品及版本受到影响： Tad TadTools v3.2.1 版本及之前版本。
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
Tad TadTools 0 ~ 3.2.1 -

II. Public POCs for CVE-2021-41566

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III. Intelligence Information for CVE-2021-41566

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Other References for CVE-2021-41566 (1)

Same Patch Batch · Tad · 2021-10-08 · 9 CVEs total

CVE-2021-41974 9.1 CRITICAL Tad Book3 - Improper Authorization
CVE-2021-41975 7.5 HIGH Tad TadTools - Improper Authorization
CVE-2021-41563 6.1 MEDIUM Tad Book3 - Stored XSS
CVE-2021-41565 6.1 MEDIUM Tad TadTools - Reflected XSS
CVE-2021-41567 6.1 MEDIUM Tad Uploader - Stored XSS
CVE-2021-41564 5.3 MEDIUM Tad Honor - Improper Authorization
CVE-2021-41568 5.3 MEDIUM Tad Web - Improper Authorization
CVE-2021-41976 5.3 MEDIUM Tad Uploader - Improper Authorization

IV. Related Vulnerabilities

Same product: TadTools
Same vendor: Tad
Same weakness: CWE-434

V. Comments for CVE-2021-41566

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