Vulnerability Details : CVE-2023-28644
Nextcloud server is an open source home cloud implementation. In releases of the 25.0.x branch before 25.0.3 an inefficient fetch operation may impact server performances and/or can lead to a denial of service. This issue has been addressed and it is recommended that the Nextcloud Server is upgraded to 25.0.3. There are no known workarounds for this vulnerability.
Vulnerability category: Denial of service
Products affected by CVE-2023-28644
- Nextcloud » Nextcloud Server » Enterprise EditionVersions from including (>=) 25.0.0 and before (<) 25.0.3cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-28644
0.61%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-28644
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
|
5.7
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
2.1
|
3.6
|
GitHub, Inc. |
CWE ids for CVE-2023-28644
-
The product does not properly control the allocation and maintenance of a limited resource.Assigned by: security-advisories@github.com (Secondary)
References for CVE-2023-28644
-
https://github.com/nextcloud/server/pull/36016
Add restrictions when downloading to resolve with opengraph link provider by julien-nc · Pull Request #36016 · nextcloud/server · GitHubIssue Tracking;Patch
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9wmj-gp8v-477j
Reference fetch can saturate the server bandwidth for 10 seconds · Advisory · nextcloud/security-advisories · GitHubVendor Advisory
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