CVE-2021-30479
Last modified
CVE-2021-30479 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zulip | Zulip Server | < 3.4 |
References
- https://blog.zulip.com/2021/04/14/zulip-server-3-4/Vendor Advisory
- https://blog.zulip.com/2021/04/14/zulip-server-3-4/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
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