What is CVE-2021-3944?

CVE-2021-3944 is a medium-severity vulnerability in Bookstackapp Bookstack, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.8/10. Published 2021-12-02.

How severe is CVE-2021-3944?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2021-3944 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Bookstackapp Bookstack

CVE-2021-3944

bookstack is vulnerable to Cross-Site Request Forgery (CSRF)

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.006 (46.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Bookstackapp Bookstack
Bookstackapp Bookstackapp/bookstack — versions unspecified

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

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-2021-3944?: CVE-2021-3944 is a medium-severity vulnerability in Bookstackapp Bookstack, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.8/10. Published 2021-12-02.
How severe is CVE-2021-3944?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2021-3944 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.