CVE-2023-28646 - Vulnerability Details - OpenCVE

Nextcloud android is an android app for interfacing with the nextcloud home server ecosystem. In versions from 3.7.0 and before 3.24.1 an attacker that has access to the unlocked physical device can bypass the Nextcloud Android Pin/passcode protection via a thirdparty app. This allows to see meta information like sharer, sharees and activity of files. It is recommended that the Nextcloud Android app is upgraded to 3.24.1. There are no known workarounds for this vulnerability.

No CVSS v4.0

Attack Vector Physical

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Nextcloud	Nextcloud

Configuration 1 [-]

cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:android:*:*

No data.

References

Link	Providers
https://github.com/nextcloud/android/pull/11242
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v

History

Tue, 11 Feb 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2023-03-30T18:16:18.917Z

Updated: 2025-02-11T18:56:24.113Z

Reserved: 2023-03-20T12:19:47.209Z

Link: CVE-2023-28646

Vulnrichment

Updated: 2024-08-02T13:43:23.558Z

NVD

Status : Modified

Published: 2023-03-30T19:15:06.767

Modified: 2024-11-21T07:55:43.973

Link: CVE-2023-28646

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-28646", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-03-20T12:19:47.209Z", "datePublished": "2023-03-30T18:16:18.917Z", "dateUpdated": "2025-02-11T18:56:24.113Z"}, "containers": {"cna": {"title": "App lockout in nextcloud Android app can be bypassed via thirdparty apps", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-281", "lang": "en", "description": "CWE-281: Improper Preservation of Permissions", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "LOW", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v"}, {"name": "https://github.com/nextcloud/android/pull/11242", "tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/android/pull/11242"}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"version": ">= 3.7.0, < 3.24.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-03-30T18:16:18.917Z"}, "descriptions": [{"lang": "en", "value": "Nextcloud android is an android app for interfacing with the nextcloud home server ecosystem. In versions from 3.7.0 and before 3.24.1 an attacker that has access to the unlocked physical device can bypass the Nextcloud Android Pin/passcode protection via a thirdparty app. This allows to see meta information like sharer, sharees and activity of files. It is recommended that the Nextcloud Android app is upgraded to 3.24.1. There are no known workarounds for this vulnerability."}], "source": {"advisory": "GHSA-c3rf-94h6-vj8v", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T13:43:23.558Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v"}, {"name": "https://github.com/nextcloud/android/pull/11242", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/nextcloud/android/pull/11242"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-02-11T18:56:18.707590Z", "id": "CVE-2023-28646", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-11T18:56:24.113Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v", "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v", "tags": ["x_refsource_CONFIRM", "x_transferred"]}, {"url": "https://github.com/nextcloud/android/pull/11242", "name": "https://github.com/nextcloud/android/pull/11242", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T13:43:23.558Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-28646", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-02-11T18:56:18.707590Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-11T18:56:11.032Z"}}], "cna": {"title": "App lockout in nextcloud Android app can be bypassed via thirdparty apps", "source": {"advisory": "GHSA-c3rf-94h6-vj8v", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.4, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"status": "affected", "version": ">= 3.7.0, < 3.24.1"}]}], "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v", "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/nextcloud/android/pull/11242", "name": "https://github.com/nextcloud/android/pull/11242", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Nextcloud android is an android app for interfacing with the nextcloud home server ecosystem. In versions from 3.7.0 and before 3.24.1 an attacker that has access to the unlocked physical device can bypass the Nextcloud Android Pin/passcode protection via a thirdparty app. This allows to see meta information like sharer, sharees and activity of files. It is recommended that the Nextcloud Android app is upgraded to 3.24.1. There are no known workarounds for this vulnerability."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "CWE-287: Improper Authentication"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-281", "description": "CWE-281: Improper Preservation of Permissions"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-03-30T18:16:18.917Z"}}}, "cveMetadata": {"cveId": "CVE-2023-28646", "state": "PUBLISHED", "dateUpdated": "2025-02-11T18:56:24.113Z", "dateReserved": "2023-03-20T12:19:47.209Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2023-03-30T18:16:18.917Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:android:*:*", "matchCriteriaId": "4E06B4DB-C2C3-40A2-AD87-6128530FAA61", "versionEndExcluding": "3.24.1", "versionStartIncluding": "3.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud android is an android app for interfacing with the nextcloud home server ecosystem. In versions from 3.7.0 and before 3.24.1 an attacker that has access to the unlocked physical device can bypass the Nextcloud Android Pin/passcode protection via a thirdparty app. This allows to see meta information like sharer, sharees and activity of files. It is recommended that the Nextcloud Android app is upgraded to 3.24.1. There are no known workarounds for this vulnerability."}], "id": "CVE-2023-28646", "lastModified": "2024-11-21T07:55:43.973", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "LOW", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.3, "impactScore": 3.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 2.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-03-30T19:15:06.767", "references": [{"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/nextcloud/android/pull/11242"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/nextcloud/android/pull/11242"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-281"}, {"lang": "en", "value": "CWE-287"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}