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I. Basic Information for CVE-2021-30479
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the all_public_streams API feature resulted in guest users being able to receive message traffic to public streams that should have been only accessible to members of the organization.
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
Zulip 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zulip是Zulip团队的一款功能强大的开源群聊应用程序。用于将实时聊天的即时性与线程对话的生产力优势相结合。 Zulip Server 3.4之前版本存在安全漏洞,该漏洞源于公共API导致guest用户能够接收到本应只有组织成员才能访问的公共流的消息流量。
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-2021-30479
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III. Intelligence Information for CVE-2021-30479
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IV. Related Vulnerabilities
V. Comments for CVE-2021-30479

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