Vulnerability Details : CVE-2023-25817
Nextcloud server is an open source, personal cloud implementation. In versions from 24.0.0 and before 24.0.9 a user could escalate their permissions to delete files they were not supposed to deletable but only viewed or downloaded. This issue has been addressed andit is recommended that the Nextcloud Server is upgraded to 24.0.9. There are no known workarounds for this vulnerability.
Products affected by CVE-2023-25817
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-25817
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-25817
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
2.8
|
5.2
|
NIST | |
|
3.5
|
LOW | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L |
2.1
|
1.4
|
GitHub, Inc. |
CWE ids for CVE-2023-25817
-
The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.Assigned by: security-advisories@github.com (Secondary)
-
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-25817
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8v5c-f752-fgpv
Delete permissions are not saved when creating public share · Advisory · nextcloud/security-advisories · GitHubPatch;Vendor Advisory
-
https://github.com/nextcloud/server/pull/33941
Only normalize data in public shares and not crud by CarlSchwan · Pull Request #33941 · nextcloud/server · GitHubPatch
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