Vulnerability · Published Jun 14, 2024 · Assigned by GitHub_M
CVE-2024-37882Nextcloud Server can reshare read&share only folder with more permissions
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 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.5%top 54.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Nextcloud Server is a self hosted personal cloud system. A recipient of a share with read&share permissions could reshare the item with more permissions. It is recommended that the Nextcloud Server is upgraded to 26.0.13 or 27.1.8 or 28.0.4 and that the Nextcloud Enterprise Server is upgraded to 26.0.13 or 27.1.8 or 28.0.4.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nextcloud | security-advisories | >= 26.0.0, < 26.0.13>= 27.0.0, < 27.1.8>= 28.0.0, < 28.0.4 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jjm3-j9xh-5xmq x_refsource_CONFIRM
- https://github.com/nextcloud/server/pull/44339 x_refsource_MISC
- https://hackerone.com/reports/2289425 x_refsource_MISC