Vulnerability in Bookstackapp Bookstack
CVE-2021-4119
bookstack is vulnerable to Improper Access Control
EPSS: 0.269 (97.8th 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
- Bookstackapp Bookstack
- Bookstackapp Bookstackapp/bookstack — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@huntr.dev (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
- security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-4119?
- CVE-2021-4119 is a critical-severity vulnerability in Bookstackapp Bookstack, classified under Improper Access Control. CVSS score: 9.8/10. Published 2021-12-15.
- How severe is CVE-2021-4119?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-4119 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.