CVE-2023-49278: Improper Restriction of Excessive Authentication Attempts

December 13, 2023

Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, a brute force exploit can be used to collect valid usernames. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.

References

github.com/advisories/GHSA-7x74-h8cw-qhxq
github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-7x74-h8cw-qhxq
nvd.nist.gov/vuln/detail/CVE-2023-49278

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