Improper Authentication in Nextcloud Android App
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-28646 |
| CWE-ID | CWE-287 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Nextcloud Android App Other software / Other software solutions |
| Vendor | Nextcloud |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper Authentication
EUVDB-ID: #VU74349
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-28646
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in the App pin. An authenticated attacker with physical access to an unlocked device can bypass the Nextcloud Android Pin protection via a thirdparty app.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNextcloud Android App: 3.7.0
External linkshttp://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v
http://github.com/nextcloud/android/pull/11242
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
