What is CVE-2023-6199?

CVE-2023-6199 is a medium-severity vulnerability in Bookstack, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2023-11-20.

How severe is CVE-2023-6199?

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

Is CVE-2023-6199 known to be exploited?

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

SSRF in Bookstack

CVE-2023-6199

Book Stack version 23.10.2 allows filtering local files on the server. This is possible because the application is vulnerable to SSRF.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.014 (69.3th 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:H/I:N/A:N.

Affected products

Bookstack — versions 23.10.2
Bookstackapp Bookstack — versions 23.10.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

References

help@fluidattacks.com (Exploit, Third Party Advisory)
help@fluidattacks.com (Product, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-6199?: CVE-2023-6199 is a medium-severity vulnerability in Bookstack, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2023-11-20.
How severe is CVE-2023-6199?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-6199 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.