CVE-2023-28646 — Improper Preservation of Permissions in Nextcloud

CWE-281 — Improper Preservation of PermissionsCWE-287 — Improper Authentication2 documents2 sources
Severity
2.4LOWNVD
CNA4.4
EPSS
0.1%
top 82.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
NextcloudNextcloud Security-advisories
Timeline
PublishedMar 30

Description

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.

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 0.9 | Impact: 1.4

Affected Packages2 packages

▶NVDnextcloud/nextcloud3.7.0 — 3.24.1
▶CVEListV5nextcloud/security-advisories>= 3.7.0, < 3.24.1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

1
CVEList
App lockout in nextcloud Android app can be bypassed via thirdparty apps↗2023-03-30
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CVE-2023-28646 — Improper Preservation of Permissions | cvebase