Auth bypass in Zulip
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 organ…
Vulnerability class: Broken Access Control
EPSS: 0.001 (30.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Zulip — versions >= 2.0.0, < 4.10
Weakness classification (CWE)
References
- github.com/zulip/zulip/security/advisories/GHSA-6xmj-2wcm-p2jc (x_refsource_CONFIRM)
- github.com/zulip/zulip/commit/88917019f03860609114082cdc0f31a561503f9e (x_refsource_MISC)
- blog.zulip.com/2022/02/25/zulip-cloud-invitation-vulnerability/ (x_refsource_MISC)
- blog.zulip.com/2022/02/25/zulip-server-4-10-security-release/ (x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-21706?
- CVE-2022-21706 is a high-severity vulnerability in Zulip, classified under Incorrect Authorization. CVSS score: 7.2/10. Published 2022-02-25.
- How severe is CVE-2022-21706?
- High severity. CVSS v3 base score is 7.2 out of 10.