CVE-2021-30479: 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…

PriorityP427medium5.3CVSS 3.1

AVNACLPRNUINSUCLINAN

EPSS

0.86%

54.0th percentile

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.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
zulip	zulip_server	< 3.4	3.4

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

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