Vulnerability · Published Aug 10, 2023 · Assigned by GitHub_M
CVE-2023-39963Missing password confirmation when creating app passwords
High 8.1
In plain English
A high-severity improper access control in security-advisories from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nextcloud | security-advisories | >= 20.0.0, < 20.0.14.15>= 21.0.0, < 21.0.9.13>= 22.0.0, < 22.2.10.14>= 23.0.0, < 23.0.12.9>= 24.0.0, < 24.0.12.5>= 25.0.0, < 25.0.9>= 26.0.0, < 26.0.4>= 27.0.0, < 27.0.1 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j4qm-5q5x-54m5 x_refsource_CONFIRM
- https://github.com/nextcloud/server/pull/39416 x_refsource_MISC
- https://hackerone.com/reports/2067572 x_refsource_MISC