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CVE-2022-3770— Yunjing CMS upload_img.html unrestricted upload

Quick assessment

Affected
Yunjing CMS
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.

Yunjing CMS是中国云景（Yunjing）公司的一个开源 PHP 企业网站建设管理系统。 Yunjing CMS存在安全漏洞，该漏洞源于文件/index/user/upload_img.html中的未知代码受到影响，对该参数文件的操作导致不受限制的上传。

CVSS 6.3 · Medium EPSS 0.59% · P47

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2022-3770

Vulnerability Information
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Vulnerability Title
Yunjing CMS upload_img.html unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical was found in Yunjing CMS. This vulnerability affects unknown code of the file /index/user/upload_img.html. The manipulation of the argument file leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-212500.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Yunjing CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yunjing CMS是中国云景（Yunjing）公司的一个开源 PHP 企业网站建设管理系统。 Yunjing CMS存在安全漏洞，该漏洞源于文件/index/user/upload_img.html中的未知代码受到影响，对该参数文件的操作导致不受限制的上传。
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
Yunjing CMS n/a -

II. Public POCs for CVE-2022-3770

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III. Intelligence Information for CVE-2022-3770

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Vendor Advisories for CVE-2022-3770 (1)

Other References for CVE-2022-3770 (1)

IV. Related Vulnerabilities

Same product: CMS
Same weakness: CWE-266

V. Comments for CVE-2022-3770

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