CVE-2021-4119

bookstack is vulnerable to Improper Access Control

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/bookstackapp/bookstack/commit/e765e618547c92f4e0b46caca6fb91f0174efd99	Patch Third Party Advisory
https://huntr.dev/bounties/135f2d7d-ab0b-4351-99b9-889efac46fca	Exploit Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*

History

09 Aug 2022, 13:23

Type	Values Removed	Values Added
CWE	~~CWE-284~~	NVD-CWE-Other

22 Dec 2021, 19:38

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
CPE		cpe:2.3:a:bookstackapp:bookstack::::::::
References	~~(MISC) https://github.com/bookstackapp/bookstack/commit/e765e618547c92f4e0b46caca6fb91f0174efd99 -~~	(MISC) https://github.com/bookstackapp/bookstack/commit/e765e618547c92f4e0b46caca6fb91f0174efd99 - Patch, Third Party Advisory
References	~~(CONFIRM) https://huntr.dev/bounties/135f2d7d-ab0b-4351-99b9-889efac46fca -~~	(CONFIRM) https://huntr.dev/bounties/135f2d7d-ab0b-4351-99b9-889efac46fca - Exploit, Patch, Third Party Advisory

15 Dec 2021, 20:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-15 20:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-4119

Mitre link : CVE-2021-4119

CVE.ORG link : CVE-2021-4119

JSON object : View

Products Affected

bookstackapp

bookstack

CWE

NVD-CWE-Other CWE-284

Improper Access Control

{"id": "CVE-2021-4119", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "security@huntr.dev", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-12-15T20:15:08.837", "references": [{"url": "https://github.com/bookstackapp/bookstack/commit/e765e618547c92f4e0b46caca6fb91f0174efd99", "tags": ["Patch", "Third Party Advisory"], "source": "security@huntr.dev"}, {"url": "https://huntr.dev/bounties/135f2d7d-ab0b-4351-99b9-889efac46fca", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "security@huntr.dev"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}, {"type": "Secondary", "source": "security@huntr.dev", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "bookstack is vulnerable to Improper Access Control"}, {"lang": "es", "value": "bookstack es vulnerable a un Control de Acceso Inapropiado"}], "lastModified": "2022-08-09T13:23:41.930", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3A4EB881-1D55-416D-A52E-F05F489E2CA1", "versionEndIncluding": "21.11.2"}], "operator": "OR"}]}], "sourceIdentifier": "security@huntr.dev"}