Vulnerability · Published Mar 30, 2023 · Assigned by GitHub_M

CVE-2023-28647App pin of the iOS app can be bypassed in Nextcloud iOS

Medium 4.4

In plain English

A medium-severity improper authentication in security-advisories from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium

Exploit odds (30 days)0.3%top 79.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
nextcloud	security-advisories	< 4.7.0

Weakness: CWE-281, CWE-287 · Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wjgg-2v4p-2gq6 x_refsource_CONFIRM
https://github.com/nextcloud/ios/pull/2344 x_refsource_MISC