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zulip server vulnerabilities and exploits
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4
CVSSv2
CVE-2022-31134
Zulip is an open-source team collaboration tool. Zulip Server versions 2.1.0 above have a user interface tool, accessible only to server owners and server administrators, which provides a way to download a "public data" export. While this export is only accessible to ad...
Zulip Zulip Server
2.1
CVSSv2
CVE-2022-31017
Zulip is an open-source team collaboration tool. Versions 2.1.0 through and including 5.2 are vulnerable to a logic error. A stream configured as private with protected history, where new subscribers should not be allowed to see messages sent before they were subscribed, when edi...
Zulip Zulip
3.5
CVSSv2
CVE-2022-23656
Zulip is an open source team chat app. The `main` development branch of Zulip Server from June 2021 and later is vulnerable to a cross-site scripting vulnerability on the recent topics page. An attacker could maliciously craft a full name for their account and send messages to a ...
Zulip Zulip Server
7.5
CVSSv2
CVE-2022-21706
Zulip is an open-source team collaboration tool with topic-based threading. Zulip Server version 2.0.0 and above are vulnerable to insufficient access control with multi-use invitations. A Zulip Server deployment which hosts multiple organizations is vulnerable to an attack where...
Zulip Zulip Server
5
CVSSv2
CVE-2021-43799
Zulip is an open-source team collaboration tool. Zulip Server installs RabbitMQ for internal message passing. In versions of Zulip Server before 4.9, the initial installation (until first reboot, or restart of RabbitMQ) does not successfully limit the default ports which RabbitMQ...
Zulip Zulip
4
CVSSv2
CVE-2021-41115
Zulip is an open source team chat server. In affected versions Zulip allows organization administrators on a server to configure "linkifiers" that automatically create links from messages that users send, detected via arbitrary regular expressions. Malicious organizatio...
Zulip Zulip
4
CVSSv2
CVE-2021-30477
An issue exists in Zulip Server prior to 3.4. A bug in the implementation of replies to messages sent by outgoing webhooks to private streams meant that an outgoing webhook bot could be used to send messages to private streams that the user was not intended to be able to send mes...
Zulip Zulip Server
5
CVSSv2
CVE-2021-30479
An issue exists in Zulip Server prior to 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.
Zulip Zulip Server
4
CVSSv2
CVE-2021-30487
In the topic moving API in Zulip Server 3.x prior to 3.4, organization administrators were able to move messages to streams in other organizations hosted by the same Zulip installation.
Zulip Zulip Server
4
CVSSv2
CVE-2021-30478
An issue exists in Zulip Server prior to 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 ho...
Zulip Zulip Server
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
blind SQL injection
SSRF
buffer overflow
CVE-2023-28952
CVE-2023-41822
CVE-2024-27956
CVE-2023-7028
CVE-2024-34447
CVE-2024-34460
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