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CVE-2020-25820

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
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。 BigBlueButton 2.2.7之前版本存在安全漏洞，该漏洞允许攻击者读取本地文件，并通过上传的Office文档进行SSRF攻击，该文档在ODF xlink字段中有一个精心设计的URL。

AI Predicted 6.5 Difficulty: Moderate EPSS 10.48% · P96

Public Exploits 1

ExploitDB · 1 EDB-49070 [webapps]
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I. Basic Information for CVE-2020-25820

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field.
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 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。 BigBlueButton 2.2.7之前版本存在安全漏洞，该漏洞允许攻击者读取本地文件，并通过上传的Office文档进行SSRF攻击，该文档在ODF xlink字段中有一个精心设计的URL。
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-2020-25820

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III. Intelligence Information for CVE-2020-25820

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Patches & Fixes for CVE-2020-25820 (1)

Exploits & Public PoCs for CVE-2020-25820 (1)

Other References for CVE-2020-25820 (3)

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

CVE-2020-7750 9.6 CRITICAL Cross-site Scripting (XSS)
CVE-2020-27609 BigBlueButton 安全漏洞
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-2020-27602 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-2020-27611 BigBlueButton 加密问题漏洞
CVE-2020-17355 Arista Networks Arista EOS 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-2020-27603 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

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