CVE-2021-30479
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Zulip Server
PublishedApr 15, 2021
First seenApr 15, 2021
How to fix
Update
- zulip zulip_server3.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zulip zulip_server | v < 3.4 | 3.4 |
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