CVE-2021-4194
bookstack is vulnerable to Improper Access Control
4.3
MEDIUM
CVSS 3.1
EPSS 0.71%
Description
bookstack is vulnerable to Improper Access Control
How to fix CVE-2021-4194
To remediate CVE-2021-4194, upgrade the affected package to a fixed version below.
- Packagist/ssddanbrown/bookstack—upgrade to 21.12.1 or later
Is CVE-2021-4194 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 21.12.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |