5.3

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 receive message traffic to public streams that should have been only accessible to members of the organization.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Zulip ≫ Zulip Server Version < 3.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.86% 0.538
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:P/I:N/A:N
CWE-269 Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

https://blog.zulip.com/2021/04/14/zulip-server-3-4/
Vendor Advisory