CVE-2023-28643 - CVE House
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Status published Medium CVE-2023-28643

Potential share collision for recipients when caching is enabled in nextcloud server

Vulnerability Description

Nextcloud server is an open source home cloud implementation. In affected versions when a recipient receives 2 shares with the same name, while a memory cache is configured, the second share will replace the first one instead of being renamed to `{name} (2)`. It is recommended that the Nextcloud Server is upgraded to 25.0.3 or 24.0.9. Users unable to upgrade should avoid sharing 2 folders with the same name to the same user.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

security-advisories
Vulnerable Versions:
< 24.0.9, >= 25.0.0, < 25.0.3

Timeline

Official Publish: March 30th, 2023
Last Modified: February 11th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Weaknesses (CWE)

CWE-706

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.