CVE-2020-8182

Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.

CVSS v3 8.0 HIGH
CVSS v2.0 6.0 MEDIUM

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://hackerone.com/reports/827816	Exploit Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-025	Vendor Advisory
https://hackerone.com/reports/827816	Exploit Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-025	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nextcloud:deck:0.8.0:*:*:*:*:*:*:*

History

21 Nov 2024, 05:38

Type	Values Removed	Values Added
References	~~() https://hackerone.com/reports/827816 - Exploit, Third Party Advisory~~	() https://hackerone.com/reports/827816 - Exploit, Third Party Advisory
References	~~() https://nextcloud.com/security/advisory/?id=NC-SA-2020-025 - Vendor Advisory~~	() https://nextcloud.com/security/advisory/?id=NC-SA-2020-025 - Vendor Advisory

Information

Published : 2020-10-05 14:15

Updated : 2024-11-21 05:38

NVD link : CVE-2020-8182

Mitre link : CVE-2020-8182

CVE.ORG link : CVE-2020-8182

JSON object : View

Products Affected

nextcloud

deck

CWE

CWE-284

Improper Access Control

CWE-281

Improper Preservation of Permissions

{"id": "CVE-2020-8182", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}]}, "published": "2020-10-05T14:15:13.467", "references": [{"url": "https://hackerone.com/reports/827816", "tags": ["Exploit", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-025", "tags": ["Vendor Advisory"], "source": "support@hackerone.com"}, {"url": "https://hackerone.com/reports/827816", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-025", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-284"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-281"}]}], "descriptions": [{"lang": "en", "value": "Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves."}, {"lang": "es", "value": "Un control de acceso inapropiado en Nextcloud Deck versi\u00f3n 0.8.0, permiti\u00f3 a un atacante volver a compartir tableros compartidos con estos con m\u00e1s permisos de los que ellos mismos ten\u00edan"}], "lastModified": "2024-11-21T05:38:27.300", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:deck:0.8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9A48919F-D4E4-4873-8A1C-653BE19AF182"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}