CVE-2023-49278CWE-200CWE-307

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

Medium · published December 12, 2023

CVSS v3.1
5.3
EPSS
1%
Percentile
41.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00500 · 41.9th percentile
Weaknesses
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor; CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2023-12-12T19:14Z
EPSS history
Timeline
  • 12 DEC 19:14Z
    Umbraco CMS brute force exploit can be used to collect valid usernames
    cvelistv5