CVE-2023-49790 json
App PIN code can be bypassed in Nextcloud Files iOS
published 2023-12-22 2 y ago modified 2026-09-08 2 mo ago also BIT-nextcloud-2023-49790 , EUVD-2023-53709 , GHSA-j8g7-88vv-rggv
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| OSV | 3.1 | 4.3 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | nextcloud | <4.9.2 |
4.9.2 |
Affected products
- nextcloud security-advisories
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/nextcloud/ios/pull/2665
patch
-
github.com
/nextcloud/security-advisories/security/advisories/GHSA-j8g7-88vv-rggv
vendor-advisory, advisory
-
hackerone.com
/reports/2245437
third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-49790
web
Sources
- CVE List CVE-2023-49790
- NVD CVE-2023-49790
- OSV BIT-nextcloud-2023-49790
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