CVE-2023-28844

Name: CVE-2023-28844
Creator: NVD / NIST
Published: 2023-03-31T23:15:07.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2023-28844 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.62%

45.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	>= 24.0.4, < 24.0.10
Nextcloud	Nextcloud Server	>= 25.0.0, < 25.0.4

References

Timeline

Published: Mar 31, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28844?

How severe is CVE-2023-28844?

CVE-2023-28844 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28844?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28844?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST