CVE Vulnerabilities

CVE-2021-30477

Published: Apr 15, 2021 | Modified: Jul 12, 2022

CVSS 3.x

4.3

MEDIUM

Source:

NVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS 2.x

4 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-30477
CWE	https://cwe.mitre.org/data/definitions/.html

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.

Affected Software

Name	Vendor	Start Version	End Version
Zulip_server	Zulip	*	3.4 (excluding)

References

https://blog.zulip.com/2021/04/14/zulip-server-3-4/

Aqua Container Security

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.