Umbraco CMS brute force exploit can be used to collect valid usernames
CVE-2023-49278

5.3MEDIUM

Key Information:

Vendor

Umbraco

Status
Umbraco-cms
Vendor
CVE Published:
12 December 2023

What is CVE-2023-49278?

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.

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Deploy the Patch

Affected Version(s)

Umbraco-CMS >= 8.0.0, < 8.18.10 < 8.0.0, 8.18.10

Umbraco-CMS >= 9.0.0-rc001, < 10.8.1 < 9.0.0-rc001, 10.8.1

Umbraco-CMS >= 11.0.0-rc1, < 12.3.4 < 11.0.0-rc1, 12.3.4

References

https://github.com/umbraco/Umbraco-CMS/security/advisorie...
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CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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