CVEvulnerability

CVE-2021-30478

4.3 MEDIUM Published 2021-04-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-04-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:P/A:N
Weaknesses
CWE-269

Description

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 configurations

• zulip zulip server (< 3.4)

Related

Weakness · CWE (1)

  • CWE-269 Improper Privilege Management weakness

References