CVE-2021-3874

CVSS V2 Medium 4 CVSS V3 Medium 6.5

Description

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Overview

CVE ID
CVE-2021-3874

Assigner
security@huntr.dev

Vulnerability Status
Analyzed

Published Version
2021-10-15T14:15:07

Last Modified Date
2021-10-20T19:40:39

Weakness Enumerations

CWE	URL
CWE-22	http://cwe.mitre.org/data/definitions/22.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:bookstackapp:bookstack::::::::	1	OR		21.08.5

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4

Severity
MEDIUM

Exploitability Score
8

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
6.5

Base Severity
MEDIUM

Exploitability Score
2.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a	Patch Third Party Advisory
https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a	Exploit Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-3874
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3874

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:50:16				Added to TrackCVE
2022-12-05 12:28:57	2021-10-15T14:15Z	2021-10-15T14:15:07	CVE Published Date	updated
2022-12-05 12:28:57		2021-10-20T19:40:39	CVE Modified Date	updated
2022-12-05 12:28:57		Analyzed	Vulnerability Status	updated