CVE-2021-4119 : bookstack is vulnerable to Improper Access Control

bookstack is vulnerable to Improper Access Control

Published 2021-12-15 20:15:09

Updated 2022-08-09 13:23:42

Source huntr.dev

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2021-4119

Bookstackapp » Bookstack
Versions up to, including, (<=) 21.11.2
cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

1.49%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 80 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
5.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	huntr.dev
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Assigned by: security@huntr.dev (Secondary)

https://huntr.dev/bounties/135f2d7d-ab0b-4351-99b9-889efac46fca

Improper Access Control vulnerability found in bookstack
Exploit;Patch;Third Party Advisory
https://github.com/bookstackapp/bookstack/commit/e765e618547c92f4e0b46caca6fb91f0174efd99

Addressed user detail harvesting issue · BookStackApp/BookStack@e765e61 · GitHub
Patch;Third Party Advisory

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