6.5

CVE-2021-3916

Exploit

Path Traversal in bookstackapp/bookstack

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Bookstackapp ≫ Bookstack Version < 21.10.3
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.2% 0.642
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvd@nist.gov 4 8 2.9
AV:N/AC:L/Au:S/C:P/I:N/A:N
security@huntr.dev 6.5 2.8 3.6
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

https://github.com/bookstackapp/bookstack/commit/43830a372fc51a8793199d04a34c3f4ebdfccc7b
Patch
Third Party Advisory
https://huntr.dev/bounties/0be32e6b-7c48-43f0-9cec-433000ad8f64
Patch
Third Party Advisory
Exploit
Issue Tracking