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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-3312

Quick assessment

Affected
n/a n/a
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.

Alkacon OpenCms是一套使用Java语言开发的开源内容管理系统（CMS）。 Alkacon OpenCms 11.0, 11.0.1 和 11.0.2版本存在代码问题漏洞，该漏洞源于软件缺乏对于XML外部实体的有效限制，漏洞允许具有编辑权限的远程认证用户通过上传精心制作的SVG文档从服务器的文件系统中过滤文件。

AI Predicted 8.6 Difficulty: Moderate EPSS 1.29% · P71
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-3312

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server's file system by uploading a crafted SVG document.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Alkacon OpenCms 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Alkacon OpenCms是一套使用Java语言开发的开源内容管理系统（CMS）。 Alkacon OpenCms 11.0, 11.0.1 和 11.0.2版本存在代码问题漏洞，该漏洞源于软件缺乏对于XML外部实体的有效限制，漏洞允许具有编辑权限的远程认证用户通过上传精心制作的SVG文档从服务器的文件系统中过滤文件。
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
- n/a n/a -

II. Public POCs for CVE-2021-3312

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-3312

请登录查看更多情报信息。

Other References for CVE-2021-3312 (2)

Same Patch Batch · n/a · 2021-10-08 · 17 CVEs total

CVE-2021-41802 2.9 LOW Hashicorp HashiCorp Vault 安全漏洞
CVE-2021-42112 LimeSurvey 跨站脚本漏洞
CVE-2020-22617 Ardour 资源管理错误漏洞
CVE-2021-42109 VITEC Exterity IPTV 安全漏洞
CVE-2021-32029 PostgreSQL 缓冲区错误漏洞
CVE-2021-20600 Mitsubishi Electric MELSEC iQ-R series 资源管理错误漏洞
CVE-2021-41920 webTareas SQL注入漏洞
CVE-2021-41919 webTareas 代码问题漏洞
CVE-2021-41918 webTareas 跨站脚本漏洞
CVE-2021-41917 webTareas 跨站脚本漏洞
CVE-2021-41916 webTareas 跨站请求伪造漏洞
CVE-2021-41825 Verint Systems Verint Workforce Optimization 跨站脚本漏洞
CVE-2021-36767 Digi RealPort 安全漏洞
CVE-2021-35979 Digi RealPort 访问控制错误漏洞
CVE-2021-35977 Digi RealPort 安全漏洞
CVE-2021-41947 Subrion CMS SQL注入漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a