SARA / Free Tools / CVE / CVE-2023-30539

CVE-2023-30539 — Nextcloud is a personal home server system

Nextcloud is a personal home server system. Depending on the set up tags and other workflows this issue can be used to limit access of others or being able to grant them access when there are system tag based files access control or files retention rules. It is recommended that t

CVSS
6.5 MEDIUM
EPSS
0.38% (top 41.20%)
CWE
CWE-284
Published
2023-04-17T21:27:29.405Z
Last modified
2025-02-05T20:38:48.283Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

01What is this vulnerability?

Nextcloud is a personal home server system. Depending on the set up tags and other workflows this issue can be used to limit access of others or being able to grant them access when there are system tag based files access control or files retention rules. It is recommended that the Nextcloud Server is upgraded to 24.0.11 or 25.0.5, the Nextcloud Enterprise Server to 21.0.9.11, 22.2.10.11…

02Affected products

VendorProductVersions
nextcloudsecurityadvisories — Nextcloud Server: < 24.0.11, Nextcloud Server: >= 25.0.0, < 25.0.5, Nextcloud Files automated tagging: >= 1.11.0, < 1.11.1, Nextcloud Files automated tagging: >= 1.12.0, < 1.12.1, Nextcloud Files automated tagging: >= 1.13.0, < 1.13.1, Nextcloud Files automated tagging: >= 1.14.0, < 1.14.2, Nextcloud Files automated tagging: >= 1.15.0, < 1.15.3, Nextcloud Files automated tagging: >= 1.16.0, < 1.16.1

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

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