CVE-2021-3906

CVSS V2 Medium 4 CVSS V3 Medium 6.5

Description

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

Overview

CVE ID
CVE-2021-3906

Assigner
security@huntr.dev

Vulnerability Status
Analyzed

Published Version
2021-10-27T22:15:07

Last Modified Date
2021-11-03T14:30:27

Weakness Enumerations

CWE	URL
CWE-434	http://cwe.mitre.org/data/definitions/434.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:bookstackapp:bookstack::::::::	1	OR		21.10.1

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/64937ab826b56d086af9ecea532510d37520ebc8	Patch Third Party Advisory
https://huntr.dev/bounties/f115bdf5-c06b-4627-a6fa-ba6904a43ba3	Exploit Issue Tracking Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-3906
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3906

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:48:36				Added to TrackCVE
2022-12-05 13:23:12	2021-10-27T22:15Z	2021-10-27T22:15:07	CVE Published Date	updated
2022-12-05 13:23:12		2021-11-03T14:30:27	CVE Modified Date	updated
2022-12-05 13:23:12		Analyzed	Vulnerability Status	updated