What is CVE-2023-28844?

CVE-2023-28844 is a medium-severity vulnerability in Nextcloud Server, classified under Improper Access Control. CVSS score: 5.7/10. Published 2023-03-31.

How severe is CVE-2023-28844?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Nextcloud Server

CVE-2023-28844

Nextcloud server is an open source home cloud implementation. In affected versions users that should not be able to download a file can still download an older version and use that for uncontrolled distribution. This issue has been addressed in versions 24.0.10 and 25.0.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

EPSS: 0.006 (46.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Nextcloud Nextcloud_server
Nextcloud Security-advisories — versions >= 25.0.0, < 25.0.4, < 24.0.10

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-28844?: CVE-2023-28844 is a medium-severity vulnerability in Nextcloud Server, classified under Improper Access Control. CVSS score: 5.7/10. Published 2023-03-31.
How severe is CVE-2023-28844?: Medium severity. CVSS v3 base score is 5.7 out of 10.