CVE-2016-4427 json
In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.
published 2022-07-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2016-5426
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.
Patch / fix
- zulip zulip 1.3.12
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- n/a zulip
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
zulip.readthedocs.io
/en/2.1.7/overview/changelog.html#id35
release-notes, third-party-advisory
Sources
- CVE List CVE-2016-4427
- NVD CVE-2016-4427
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.