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zulip server vulnerabilities and exploits
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9.8
CVSSv3
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
4.3
CVSSv3
CVE-2024-21630
Zulip is an open-source team collaboration tool. A vulnerability in version 8.0 is similar to CVE-2023-32677, but applies to multi-use invitations, not single-use invitation links as in the prior CVE. Specifically, it applies when the installation has configured non-admins to be ...
Zulip Zulip Server
5.4
CVSSv3
CVE-2019-16216
Zulip server prior to 2.0.5 incompletely validated the MIME types of uploaded files. A user who is logged into the server could upload files of certain types to mount a stored cross-site scripting attack on other logged-in users. On a Zulip server using the default local uploads ...
Zulip Zulip Server
4.9
CVSSv3
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
3.7
CVSSv3
CVE-2022-41914
Zulip is an open-source team collaboration tool. For organizations with System for Cross-domain Identity Management(SCIM) account management enabled, Zulip Server 5.0 up to and including 5.6 checked the SCIM bearer token using a comparator that did not run in constant time. There...
Zulip Zulip Server
6.5
CVSSv3
CVE-2019-16215
The Markdown parser in Zulip server prior to 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could send a crafted message causing the server to spend an effectively arbitrary amount of CPU time and stall the processing ...
Zulip Zulip Server
5.4
CVSSv3
CVE-2020-10935
Zulip Server prior to 2.1.3 allows XSS via a Markdown link, with resultant account takeover.
Zulip Zulip Server
8.8
CVSSv3
CVE-2017-0910
In Zulip Server prior to 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.
Zulip Zulip Server
4.3
CVSSv3
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
5.3
CVSSv3
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
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
spoof
CVE-2024-34928
CVE-2024-5291
deserialization
CVE-2024-4471
CVE-2024-4956
CVE-2024-32002
CVE-2024-5227
unspecified
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