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@huntrdevCVE-2021-4026

HistoryNov 30, 2021 - 8:15 p.m.

CVE-2021-4026

2021-11-3020:15:07

CWE-284

CWE-863

@huntrdev

web.nvd.nist.gov

bookstack

vulnerability

cve-2021-4026

improper access control

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.4

Confidence

High

EPSS

0.001

Percentile

21.4%

JSON

bookstack is vulnerable to Improper Access Control

Affected configurations

Nvd

Node

bookstackappbookstackRange<21.11.2

VendorProductVersionCPE
bookstackappbookstack*cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
bookstackapp	bookstack	*	cpe:2.3:a:bookstackapp:bookstack::::::::

CNA Affected

[
  {
    "product": "bookstackapp/bookstack",
    "vendor": "bookstackapp",
    "versions": [
      {
        "lessThan": "21.11.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/bookstackapp/bookstack/commit/b4fa82e3298a15443ca40bff205b7a16a1031d92

huntr.dev/bounties/c6dfa80d-43e6-4b49-95af-cc031bb66b1d

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.4

Confidence

High

EPSS

0.001

Percentile

21.4%

JSON

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