What is CVE-2023-49790?

CVE-2023-49790 is a medium-severity vulnerability in Nextcloud, classified under Improper Authentication. CVSS score: 4.3/10. Published 2023-12-22.

How severe is CVE-2023-49790?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Nextcloud

CVE-2023-49790

The Nextcloud iOS Files app allows users of iOS to interact with Nextcloud, a self-hosted productivity platform. Prior to version 4.9.2, the application can be used without providing the 4 digit PIN code. Nextcloud iOS Files app should be upgraded to 4.9.2 to receive the patch. No known workarounds are available.

Vulnerability class: Broken Authentication

EPSS: 0.003 (21.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Nextcloud
Nextcloud Security-advisories — versions < 4.9.2

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-49790?: CVE-2023-49790 is a medium-severity vulnerability in Nextcloud, classified under Improper Authentication. CVSS score: 4.3/10. Published 2023-12-22.
How severe is CVE-2023-49790?: Medium severity. CVSS v3 base score is 4.3 out of 10.