CVE-2021-30478: 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…

PriorityP419medium4.3CVSS 3.1

AVNACLPRLUINSUCNILAN

EPSS

0.57%

43.1th percentile

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

1 ranges

Vendor	Product	Version range	Fixed in
zulip	zulip_server	< 3.4	3.4

CVSS provenance

nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N

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