Vulnerability Details : CVE-2021-3916

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published 2021-11-05 15:15:08
Updated 2021-11-09 15:12:51
Source huntr.dev
View at NVD,   CVE.org
Vulnerability category: Directory traversal

Exploit prediction scoring system (EPSS) score for CVE-2021-3916

EPSS FAQ
0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3916

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
 MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
 NIST
6.5
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.8
3.6
 huntr.dev
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.8
3.6
 NIST

CWE ids for CVE-2021-3916

  • 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.
    Assigned by: security@huntr.dev (Primary)

References for CVE-2021-3916

Products affected by CVE-2021-3916

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