What is CVE-2023-28643?

CVE-2023-28643 is a medium-severity vulnerability in Nextcloud Security-advisories, 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.

Vulnerability in Nextcloud Security-advisories

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 rena…

EPSS: 0.007 (71.6th 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 Security-advisories — versions < 24.0.9, >= 25.0.0, < 25.0.3

Weakness classification (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhq4-4pr8-wm27 (x_refsource_CONFIRM)
https://github.com/nextcloud/server/issues/34015 (x_refsource_MISC)
https://github.com/nextcloud/server/pull/36047 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-28643?: CVE-2023-28643 is a medium-severity vulnerability in Nextcloud Security-advisories, 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.