CVE-2021-30477
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I. Basic Information for CVE-2021-30477
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 replies to messages sent by outgoing webhooks to private streams meant that an outgoing webhook bot could be used to send messages to private streams that the user was not intended to be able to send messages to.
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 访问控制错误漏洞
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之前版本存在访问控制错误漏洞，该漏洞源于在对发送webhook到私有流的消息的回复的实现中有一个bug。
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-2021-30477
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2021-30477 (1)
- https://blog.zulip.com/2021/04/14/zulip-server-3-4/x_refsource_MISC
Same Patch Batch · n/a · 2021-04-14 · 55 CVEs total
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| CVE-2020-29592 | Matteo Piovanelli Orchard 代码问题漏洞 | |
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| CVE-2021-30493 | Razer Synapse 3 安全漏洞 |
Showing top 20 of 55 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-30477
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