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I. Basic Information for CVE-2021-34823
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The ON24 ScreenShare (aka DesktopScreenShare.app) plugin before 2.0 for macOS allows remote file access via its built-in HTTP server. This allows unauthenticated remote users to retrieve files accessible to the logged-on macOS user. When a remote user sends a crafted HTTP request to the server, it triggers a code path that will download a configuration file from a specified remote machine over HTTP. There is an XXE flaw in processing of this configuration file that allows reading local (to macOS) files and uploading them to remote machines.
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
ON24 ScreenShare 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ON24 ScreenShare是美国ON24公司的一个用于屏幕共享的插件。 ON24 ScreenShare(又名 DesktopScreenShare.app)插件 2.0之前的版本在macOS中存在安全漏洞,该漏洞允许攻击者通过其内置的 HTTP 服务器进行远程文件访问。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-34823
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III. Intelligence Information for CVE-2021-34823
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IV. Related Vulnerabilities
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