CVE Vulnerability

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 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.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://blog.zulip.com/2021/04/14/zulip-server-3-4/ Release Notes Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*
Information

Published : 2021-04-15 12:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-30478

Mitre link : CVE-2021-30478

Products Affected
No products.
CWE
CWE-269