medium4.3
CVE-2021-30478
An issue was discovered in Zulip Server before 3.4.
Impact
An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the can_forge_sender permission (previously is_api_super_user) resulted in users with this permission being able to send messages appearing as if sent by a system bot, including to other organizations hosted by the same Zulip installation.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Zulip | Zulip Server | before 3.4 |