Vulnerability Report

CVE-2023-28646

Title: Nextcloud Android App bypasses Pin/Passcode protection

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2023-28646.

CWE Category CWE-281
Published Date Mar 30, 2023
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 4.4 CVSS v3.1
Exploit Probability (EPSS)
0.06%

Vulnerability Summary

CVE-2023-28646: 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.

Impacted Vendors

N
nextcloud 1

Reference Links

https://github.com/nextcloud/android/pull/11242 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v https://github.com/nextcloud/android/pull/11242 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.4
Attack Vector
PHYSICAL
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
CVSS v3.1
Source Entity [email protected]
Severity LOW
2.4
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-28646 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector PHYSICAL
Complexity HIGH
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L

Affected Stack

No specific products linked.