What is CVE-2021-3915?

CVE-2021-3915 is a medium-severity vulnerability in Bookstackapp Bookstack, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.7/10. Published 2021-11-13.

How severe is CVE-2021-3915?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Arbitrary file upload in Bookstackapp Bookstack

CVE-2021-3915

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

Vulnerability class: Unrestricted File Upload

EPSS: 0.009 (57.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Bookstackapp Bookstack
Bookstackapp Bookstackapp/bookstack — versions unspecified

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

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-2021-3915?: CVE-2021-3915 is a medium-severity vulnerability in Bookstackapp Bookstack, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.7/10. Published 2021-11-13.
How severe is CVE-2021-3915?: Medium severity. CVSS v3 base score is 5.7 out of 10.