Description
An issue was discovered in Zulip Server before 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 messages to.
Published: 2021-04-14
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-17400 An issue was discovered in Zulip Server before 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 messages to.
History

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Subscriptions

Zulip Zulip Server
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T22:32:41.099Z

Reserved: 2021-04-09T00:00:00.000Z

Link: CVE-2021-30477

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-04-15T00:15:13.047

Modified: 2024-11-21T06:04:00.087

Link: CVE-2021-30477

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses