Vulnerability Description
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully stealing a session from a logged in user, to create app passwords for the victim. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | >= 20.0.0, < 20.0.14.15 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j4qm-5Vendor Advisory
- https://github.com/nextcloud/server/pull/39416Patch
- https://hackerone.com/reports/2067572Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j4qm-5Vendor Advisory
- https://github.com/nextcloud/server/pull/39416Patch
- https://hackerone.com/reports/2067572Third Party Advisory
FAQ
What is CVE-2023-39963?
CVE-2023-39963 is a vulnerability with a CVSS score of 8.1 (HIGH). Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 2...
How severe is CVE-2023-39963?
CVE-2023-39963 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-39963?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server.