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CVE-2020-27603

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。 Greenlight BigBlueButton 2.2.7之前版本存在安全漏洞，该漏洞源于有一个不安全的JODConverter设置，在这个设置中，LibreOffice文档转换可以访问外部文件。

AI Predicted 6.5 Difficulty: Moderate EPSS 2.93% · P87

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2020-27603

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
BigBlueButton before 2.2.27 has an unsafe JODConverter setting in which LibreOffice document conversions can access external files.
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
BigBlueButton 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。 Greenlight BigBlueButton 2.2.7之前版本存在安全漏洞，该漏洞源于有一个不安全的JODConverter设置，在这个设置中，LibreOffice文档转换可以访问外部文件。
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-2020-27603

# POC Description Source Link Shenlong Link
1 Proof of Concept of Libreoffice file exfiltration vulnerability in Big Blue Button https://github.com/hannob/CVE-2020-27603-bbb-libreoffice-poc POC Details
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III. Intelligence Information for CVE-2020-27603

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Other References for CVE-2020-27603 (1)

Same Patch Batch · n/a · 2020-10-21 · 23 CVEs total

CVE-2020-7750 9.6 CRITICAL Cross-site Scripting (XSS)
CVE-2020-27611 BigBlueButton 加密问题漏洞
CVE-2020-17381 Ghisler Total Commander 安全漏洞
CVE-2020-26895 Lightning Network Daemon 安全漏洞
CVE-2020-26896 Lightning Network Daemon 安全漏洞
CVE-2020-25820 BigBlueButton 代码问题漏洞
CVE-2020-27602 BigBlueButton 注入漏洞
CVE-2020-27606 BigBlueButton 安全漏洞
CVE-2020-27608 BigBlueButton 跨站脚本漏洞
CVE-2020-27610 BigBlueButton 信息泄露漏洞
CVE-2020-27612 BigBlueButton 信息泄露漏洞
CVE-2020-27613 BigBlueButton 安全漏洞
CVE-2020-17355 Arista Networks Arista EOS 安全漏洞
CVE-2020-27609 BigBlueButton 安全漏洞
CVE-2020-27607 BigBlueButton 安全漏洞
CVE-2020-27605 BigBlueButton 安全漏洞
CVE-2020-27604 BigBlueButton 安全漏洞
CVE-2020-27601 BigBlueButton 安全漏洞
CVE-2018-11764 Apache Hadoop 访问控制错误漏洞
CVE-2020-27344 WordPress cm-download-manager 跨站脚本漏洞

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2020-27603

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