SARA / Free Tools / CVE / CVE-2023-25820

CVE-2023-25820 — Nextcloud Server is the file server software for Nextcloud, a self-hosted produc

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Enterprise Server is the enterprise version of the file server software. In Nextcloud Server versions 25.0.x prior to 25.0.5 and versions 24.0.x prior to 24.0.10 as well

CVSS
4.2 MEDIUM
EPSS
0.14% (top 65.60%)
CWE
CWE-307
Published
2023-03-22T18:22:54.139Z
Last modified
2025-02-25T14:51:54.712Z
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

01What is this vulnerability?

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Enterprise Server is the enterprise version of the file server software. In Nextcloud Server versions 25.0.x prior to 25.0.5 and versions 24.0.x prior to 24.0.10 as well as Nextcloud Enterprise Server versions 25.0.x prior to 25.0.4, 24.0.x prior to 24.0.10, 23.0.x prior to 23.0.12.5…

02Affected products

VendorProductVersions
nextcloudsecurityadvisories — Nextcloud Server >= 24.0.0, < 24.0.10, Nextcloud Server >= 25.0.0, < 25.0.4, Nextcloud Enterprise Server >= 25.0.0, < 25.0.4, Nextcloud Enterprise Server >= 24.0.0, < 24.0.10, Nextcloud Enterprise Server >= 23.0.0, < 23.0.12.5, Nextcloud Enterprise Server >= 22.0.0, < 22.2.10.10, Nextcloud Enterprise Server >= 21.0.0, < 21.0.9.10

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →