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CVE-2022-39281— Remote Denial of Service via Tasks endpoint in fat_free_crm

Quick assessment

Affected
fatfreecrm fat_free_crm
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.

Fat Free CRM是一套开源的基于Ruby on Rails的客户关系管理平台。该平台包含团队协作、客户管理、联系人列表、客户跟踪等模块。 Fat Free CRM 0.20.1 版本之前 存在输入验证错误漏洞，该漏洞源于经过身份验证的用户可以通过存储桶进行访问以执行拒绝服务攻击。

CVSS 6.5 · Medium EPSS 1.78% · P78

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-39281

Vulnerability Information
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Vulnerability Title
Remote Denial of Service via Tasks endpoint in fat_free_crm
Source: CVE Program / CVE List V5
Vulnerability Description
fat_free_crm is a an open source, Ruby on Rails customer relationship management platform (CRM). In versions prior to 0.20.1 an authenticated user can perform a remote Denial of Service attack against Fat Free CRM via bucket access. The vulnerability has been patched in commit `c85a254` and will be available in release `0.20.1`. Users are advised to upgrade or to manually apply patch `c85a254`. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Fat Free CRM 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fat Free CRM是一套开源的基于Ruby on Rails的客户关系管理平台。该平台包含团队协作、客户管理、联系人列表、客户跟踪等模块。 Fat Free CRM 0.20.1 版本之前 存在输入验证错误漏洞，该漏洞源于经过身份验证的用户可以通过存储桶进行访问以执行拒绝服务攻击。
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
fatfreecrm fat_free_crm < 0.20.1 -

II. Public POCs for CVE-2022-39281

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III. Intelligence Information for CVE-2022-39281

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Patches & Fixes for CVE-2022-39281 (1)

Vendor Advisories for CVE-2022-39281 (1)

Other References for CVE-2022-39281 (1)

IV. Related Vulnerabilities

Same product: fat_free_crm
Same vendor: fatfreecrm
Same weakness: CWE-20

V. Comments for CVE-2022-39281

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