CVE-2021-3312
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I. Basic Information for CVE-2021-3312
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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 |
|---|
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- https://github.com/alkacon/opencms-core/releasesx_refsource_MISC
- https://github.com/alkacon/opencms-core/issues/725x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3312
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 vendor: n/a
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Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-3312
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