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CVE-2021-27576— Apache OpenMeetings: bandwidth can be overloaded with public web service

Quick assessment

Affected
Apache Software Foundation Apache OpenMeetings
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.

Apache OpenMeetings是美国阿帕奇（Apache）基金会的一套多语言可定制的视频会议和协作系统。该产品支持音频、视频并允许用户查看每个与会者的桌面等。 Apache OpenMeetings 6.0.0 存在安全漏洞，该漏洞源于netttest web服务可用于超载服务器的带宽。

AI Predicted 7.5 Difficulty: Moderate EPSS 2.84% · P86

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service
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I. Basic Information for CVE-2021-27576

Vulnerability Information
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Vulnerability Title
Apache OpenMeetings: bandwidth can be overloaded with public web service
Source: CVE Program / CVE List V5
Vulnerability Description
If was found that the NetTest web service can be used to overload the bandwidth of a Apache OpenMeetings server. This issue was addressed in Apache OpenMeetings 6.0.0
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
Apache OpenMeetings 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache OpenMeetings是美国阿帕奇（Apache）基金会的一套多语言可定制的视频会议和协作系统。该产品支持音频、视频并允许用户查看每个与会者的桌面等。 Apache OpenMeetings 6.0.0 存在安全漏洞，该漏洞源于netttest web服务可用于超载服务器的带宽。
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
Apache Software Foundation Apache OpenMeetings 4.0.0 ~ Apache OpenMeetings 4* -

II. Public POCs for CVE-2021-27576

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III. Intelligence Information for CVE-2021-27576

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Mailing List Discussions for CVE-2021-27576 (1)

IV. Related Vulnerabilities

Same product: Apache OpenMeetings
Same vendor: Apache Software Foundation

V. Comments for CVE-2021-27576

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