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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-47958— CouchCMS 2.2.1 Server-Side Request Forgery via SVG upload

Quick assessment

Affected
CouchCMS CouchCMS
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.

CouchCMS是CouchCMS开源的一套面向设计人员的开源内容管理系统（CMS）。 CouchCMS 2.2.1版本存在代码问题漏洞，该漏洞源于服务端请求伪造问题，可能导致经过身份验证的攻击者通过上传恶意SVG文件发起任意HTTP请求。

CVSS 4.3 · Medium EPSS 0.24% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
CouchCMS CouchCMS 2.2.1 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-47958

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
CouchCMS 2.2.1 Server-Side Request Forgery via SVG upload
Source: CVE Program / CVE List V5
Vulnerability Description
CouchCMS 2.2.1 contains a server-side request forgery vulnerability that allows authenticated attackers to make arbitrary HTTP requests by uploading malicious SVG files. Attackers can upload SVG files containing external entity references through the browse.php endpoint to access internal services and resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
CouchCMS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CouchCMS是CouchCMS开源的一套面向设计人员的开源内容管理系统（CMS）。 CouchCMS 2.2.1版本存在代码问题漏洞，该漏洞源于服务端请求伪造问题，可能导致经过身份验证的攻击者通过上传恶意SVG文件发起任意HTTP请求。
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
CouchCMS CouchCMS 2.2.1 -

II. Public POCs for CVE-2021-47958

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-47958

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-47958 (1)

Exploits & Public PoCs for CVE-2021-47958 (1)

IV. Related Vulnerabilities

Same product: CouchCMS
Same vendor: CouchCMS
Same weakness: CWE-918

V. Comments for CVE-2021-47958

No comments yet

Leave a comment