CVE-2023-49278

Umbraco CMS brute force exploit can be used to collect valid usernames

State: Published
Severity: 5.3 Medium
Published: Dec 12, 2023
Updated: Oct 8, 2024
Reserved: Nov 24, 2023

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	GitHub_M

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-307 Improper Restriction of Excessive Authentication Attempts

Affected Products

Product	Versions
Umbraco-CMSumbraco	>= 8.0.0, < 8.18.10Affected >= 9.0.0-rc001, < 10.8.1Affected >= 11.0.0-rc1, < 12.3.4Affected

References

https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-7x74-h8cw-qhxq

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