Vulnerability in Zulip Server
CVE-2019-18933
In Zulip Server versions from 1.7.0 to before 2.0.7, a bug in the new user signup process meant that users who registered their account using social authentication (e.g., GitHub or Google SSO) in an organization that also allows password authentication could have their personal API key stolen by an unprivileged attacker, allowing nearly full access to the user's account.
EPSS: 0.014 (69.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Zulip Zulip_server
- N/a — versions n/a
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-18933?
- CVE-2019-18933 is a critical-severity vulnerability in Zulip Server. CVSS score: 9.8/10. Published 2019-11-21.
- How severe is CVE-2019-18933?
- Critical severity. CVSS v3 base score is 9.8 out of 10.