What is CVE-2021-4194?

CVE-2021-4194 is a medium-severity vulnerability in Bookstackapp Bookstack, classified under Improper Access Control. CVSS score: 6.5/10. Published 2022-01-06.

How severe is CVE-2021-4194?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Bookstackapp Bookstack

CVE-2021-4194

bookstack is vulnerable to Improper Access Control

EPSS: 0.007 (49.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Bookstackapp Bookstack
Bookstackapp Bookstackapp/bookstack — versions unspecified

Weakness classification (CWE)

CWE-284 — Improper Access Control
CWE-863 — Incorrect Authorization

References

security@huntr.dev (x_refsource_CONFIRM, Exploit, Third Party Advisory)
security@huntr.dev (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-4194?: CVE-2021-4194 is a medium-severity vulnerability in Bookstackapp Bookstack, classified under Improper Access Control. CVSS score: 6.5/10. Published 2022-01-06.
How severe is CVE-2021-4194?: Medium severity. CVSS v3 base score is 6.5 out of 10.