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CVE-2025-49147

Umbraco.Cms Vulnerable to Disclosure of Configured Password Requirements

5.3 MediumFix available

Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.34%Up 0.3 points since Jun 25, 2025
90%50%10%1%

What each source reports

CVE List Score used 5.3

Umbraco.Cms Vulnerable to Disclosure of Configured Password Requirements

Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.

Record
CVE-2025-49147
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-497
Updated
2026-11-02
EUVDEUVD-2025-19053 5.3

Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.

Record
EUVD-2025-19053
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-pgvc-6h2p-q4f6 5.3

Umbraco CMS disclosure of configured password requirements

Impact

Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password.

The vulnerability can be found in the supported Umbraco versions 10 and 13. It was not exposed in Umbraco 7 or 8, nor in 14 or higher versions.

Patches

Patched in 10.8.11 and 13.9.2

Record
GHSA-pgvc-6h2p-q4f6
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-497
Updated
2026-11-02
NVD 5.3

Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.

Record
CVE-2025-49147
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-497
Updated
2026-11-02
OSV 5.3

Umbraco.Cms Vulnerable to Disclosure of Configured Password Requirements

Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.

Record
CVE-2025-49147
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-497
Updated
2026-11-02
OSVGHSA-pgvc-6h2p-q4f6 5.3

Umbraco CMS disclosure of configured password requirements

Impact

Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password.

The vulnerability can be found in the supported Umbraco versions 10 and 13. It was not exposed in Umbraco 7 or 8, nor in 14 or higher versions.

Patches

Patched in 10.8.11 and 13.9.2

Record
GHSA-pgvc-6h2p-q4f6
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-497
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
Umbraco.Cms
NuGet
10.0.0 up to 10.8.11
10.8.11
Umbraco.Cms
NuGet
13.0.0 up to 13.9.2
13.9.2
Umbraco.Cms
NuGet
10.0.0 up to 10.8.11, plus listed versions
10.0.110.1.010.1.0-rc10.1.0-rc210.1.1
Show 31 moreShow less
10.2.010.2.0-rc10.2.110.3.010.3.0-rc10.3.110.3.210.4.010.4.0-rc10.4.110.4.210.5.010.5.0-rc10.5.110.6.010.6.0-rc10.6.110.7.010.7.0-rc10.8.010.8.0-rc10.8.110.8.1010.8.210.8.310.8.410.8.510.8.610.8.710.8.810.8.9
10.8.11
Umbraco.Cms
NuGet
13.0.0 up to 13.9.2, plus listed versions
13.0.113.0.213.0.313.1.013.1.0-rc
Show 31 moreShow less
13.1.113.2.013.2.0-rc13.2.113.2.213.3.013.3.0-rc13.3.113.3.213.4.013.4.0-rc13.4.0-rc213.4.113.5.013.5.0-rc13.5.113.5.213.5.313.6.013.6.0-rc13.6.0-rc213.7.013.7.0-rc13.7.113.7.213.8.013.8.0-rc13.8.113.9.013.9.0-rc13.9.1
13.9.2

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-49147 is a medium vulnerability (CVSS 5.3) in Umbraco Cms, published June 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in Umbraco.Cms 10.8.11.

References

MoveEnter Open