Vulnerability Details : CVE-2023-28647
Nextcloud iOS is an ios application used to interface with the nextcloud home cloud ecosystem. In versions prior to 4.7.0 when an attacker has physical access to an unlocked device, they may enable the integration into the iOS Files app and bypass the Nextcloud pin/password protection and gain access to a users files. It is recommended that the Nextcloud iOS app is upgraded to 4.7.0. There are no known workarounds for this vulnerability.
Vulnerability category: BypassGain privilege
Products affected by CVE-2023-28647
- cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:iphone_os:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-28647
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-28647
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L |
0.3
|
3.7
|
GitHub, Inc. |
CWE ids for CVE-2023-28647
-
The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.Assigned by: security-advisories@github.com (Secondary)
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: security-advisories@github.com (Secondary)
References for CVE-2023-28647
-
https://github.com/nextcloud/ios/pull/2344
Passcode bypass by marinofaggiana · Pull Request #2344 · nextcloud/ios · GitHubPatch
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wjgg-2v4p-2gq6
App pin of the iOS app can be bypassed · Advisory · nextcloud/security-advisories · GitHubVendor Advisory
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