CVE-2021-22912

Nextcloud iOS before 3.4.2 suffers from an information disclosure vulnerability when searches for sharees utilize the lookup server by default instead of only on the local Nextcloud server unless a global search has been explicitly chosen by the user.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m7w4-cvjr-76mh	Third Party Advisory
https://hackerone.com/reports/1167919	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:iphone_os:*:*

History

No history.

Information

Published : 2021-06-11 16:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-22912

Mitre link : CVE-2021-22912

CVE.ORG link : CVE-2021-22912

JSON object : View

Products Affected

nextcloud

nextcloud

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

{"id": "CVE-2021-22912", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-06-11T16:15:11.753", "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m7w4-cvjr-76mh", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://hackerone.com/reports/1167919", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud iOS before 3.4.2 suffers from an information disclosure vulnerability when searches for sharees utilize the lookup server by default instead of only on the local Nextcloud server unless a global search has been explicitly chosen by the user."}, {"lang": "es", "value": "Nextcloud iOS versiones anteriores a 3.4.2, sufre una vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n cuando las b\u00fasquedas de recursos compartidos utilizan el servidor de b\u00fasqueda por defecto en lugar de s\u00f3lo el servidor local de Nextcloud, a menos que una b\u00fasqueda global haya sido elegida expl\u00edcitamente por el usuario"}], "lastModified": "2021-06-22T15:26:18.287", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "05EC9F7D-CED1-4F6A-A1C7-AD306235E089", "versionEndExcluding": "3.4.2"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}