Nextcloud server allows the by-pass the second factor
Priority LOW 39CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Nextcloud server is a self hosted personal cloud system. Under some circumstance it was possible to bypass the second factor of 2FA after successfully providing the user credentials. It is recommended that the Nextcloud Server is upgraded to 26.0.13, 27.1.8 or 28.0.4 and Nextcloud Enterprise Server is upgraded to 21.0.9.17, 22.2.10.22, 23.0.12.17, 24.0.12.13, 25.0.13.8, 26.0.13, 27.1.8 or 28.0.4.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00402 34th percentileScored 2026-11-07
Fix Fixed security-advisories (nextcloud): 26.0.13, 27.1.8, 28.0.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nextcloud | security-advisories | 26.0.0 to before 26.0.13; 27.0.0 to before 27.1.8; 28.0.0 to before 28.0.4 | 26.0.13, 27.1.8, 28.0.4 | Patch available | CNA |
- security-advisories Vendornextcloud Affected 26.0.0 to before 26.0.13; 27.0.0 to before 27.1.8; 28.0.0 to before 28.0.4 Fixed in 26.0.13, 27.1.8, 28.0.4 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 21.0.0 to before 21.0.9.17; 22.0.0 to before 22.2.10.22; 23.0.0 to before 23.0.12.17; 24.0.0 to before 24.0.12.13; 25.0.0 to before 25.0.13.8 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* | 26.0.0 to before 26.0.13 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 26.0.0 to before 26.0.13 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* | 27.0.0 to before 27.1.8 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 27.0.0 to before 27.1.8 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* | 28.0.0 to before 28.0.4 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 28.0.0 to before 28.0.4 | Vulnerable | nextcloud |
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* Versions 21.0.0 to before 21.0.9.17; 22.0.0 to before 22.2.10.22; 23.0.0 to before 23.0.12.17; 24.0.0 to before 24.0.12.13; 25.0.0 to before 25.0.13.8 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* Versions 26.0.0 to before 26.0.13 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* Versions 26.0.0 to before 26.0.13 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* Versions 27.0.0 to before 27.1.8 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* Versions 27.0.0 to before 27.1.8 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* Versions 28.0.0 to before 28.0.4 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* Versions 28.0.0 to before 28.0.4 Vulnerable ·nextcloud
Remediation
- Fix · CNA security-advisories (nextcloud) Fixed in 26.0.13, 27.1.8, 28.0.4
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2024-37313
References
More Nextcloud Server vulnerabilities
- TI-2023-20855 Users can delete external storage mount points CVSS 3.1HIGH 7.7
- TI-2023-11091 Nextcloud download permissions can be changed by resharer CVSS 3.1HIGH 7.5
- TI-2023-10624 Nextcloud Server vulnerable to SSRF via filter bypass due to lax checking on IPs CVSS 3.1MEDIUM 5.3
- TI-2025-37238 Cross-site scripting in Nextcloud CVSS 3.1MEDIUM 6.4
- TI-2023-11086 nextcloud vulnerable to Uncontrolled Resource Consumption CVSS 3.1MEDIUM 6.5
- TI-2022-18738 Exception logging in Sharepoint app reveals clear-text connection details CVSS 3.1MEDIUM 6.5
Sources
- CVE-2024-37313 · CVE Program
- CVE-2024-37313 · NVD
- FIRST EPSS
- CVE-2024-37313 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences