Vulnerability in Nextcloud Server
CVE-2023-28643
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.
EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Nextcloud Nextcloud_server
- Nextcloud Security-advisories — versions < 24.0.9, >= 25.0.0, < 25.0.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Exploit, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2023-28643?
- CVE-2023-28643 is a medium-severity vulnerability in Nextcloud Server, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 5.5/10. Published 2023-03-30.
- How severe is CVE-2023-28643?
- Medium severity. CVSS v3 base score is 5.5 out of 10.