Exposure of Sensitive Information Affecting umbraco.cms package, versions [,10.8.1)[12.0.0,12.3.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.32% (55th percentile)

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  • Snyk IDSNYK-DOTNET-UMBRACOCMS-6124616
  • published13 Dec 2023
  • disclosed12 Dec 2023
  • creditUnknown

Introduced: 12 Dec 2023

CVE-2023-49278  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Umbraco.Cms to version 10.8.1, 12.3.4 or higher.

Overview

Affected versions of this package are vulnerable to Exposure of Sensitive Information via a brute force attack. An attacker can collect valid usernames by repeatedly attempting to authenticate with different usernames.

References

CVSS Base Scores

version 3.1