What is the severity of CVE-2023-49273?

CVE-2023-49273 has been classified with a high severity level due to unauthorized access to certain endpoints by users with low privileges.

How do I fix CVE-2023-49273?

To fix CVE-2023-49273, upgrade Umbraco CMS to version 12.3.4, 10.8.1, or 8.18.10 depending on your current version.

What components are affected by CVE-2023-49273?

CVE-2023-49273 affects Umbraco CMS versions from 9.0.0 up to 12.3.4 and includes all intermediate versions.

What is the impact of CVE-2023-49273?

The impact of CVE-2023-49273 allows low-privilege users to access unintended features and delete restricted redirect URLs.

Who is at risk from CVE-2023-49273?

Users with low privileges, such as Editors, are at risk from CVE-2023-49273 due to their ability to access unauthorized endpoints.

Vulnerability/
CVE-2023-49273

medium

5.4

CWE

863

12/12/2023

13/12/2023

2/8/2024

CVE-2023-49273: Umbraco CMS vulnerable to Privilege Escalation using Spoofing

First published: Tue Dec 12 2023(Updated: )

#### Impact Users with low privileges ( Editor, etc) are able to access some unintended endpoints. #### Explanation of the vulnerability Possible to delete redirect urls, when disabled by admin with only access to backoffice Possible to access the examine dashboard with only access to backoffice Possible to access the published cache dashboard with only access to backoffice Possible to access the telemetry dashboard with only access to backoffice Possible to access the languages with only access to backoffice Possible to access the stylesheets with only access to backoffice

Credit: security-advisories@github.com security-advisories@github.com

Affected Software	Affected Version	How to fix
nuget/Umbraco.CMS	>=11.0.0<12.3.4	12.3.4
nuget/Umbraco.CMS	>=9.0.0<10.8.1	10.8.1
nuget/Umbraco.CMS	>=8.0.0<8.18.10	8.18.10
Umbraco CMS	>=8.0.0<8.18.10
Umbraco CMS	>=10.0.0<10.8.1
Umbraco CMS	>=12.0.0<12.3.4

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-49273?
CVE-2023-49273 has been classified with a high severity level due to unauthorized access to certain endpoints by users with low privileges.
How do I fix CVE-2023-49273?
To fix CVE-2023-49273, upgrade Umbraco CMS to version 12.3.4, 10.8.1, or 8.18.10 depending on your current version.
What components are affected by CVE-2023-49273?
CVE-2023-49273 affects Umbraco CMS versions from 9.0.0 up to 12.3.4 and includes all intermediate versions.
What is the impact of CVE-2023-49273?
The impact of CVE-2023-49273 allows low-privilege users to access unintended features and delete restricted redirect URLs.
Who is at risk from CVE-2023-49273?
Users with low privileges, such as Editors, are at risk from CVE-2023-49273 due to their ability to access unauthorized endpoints.

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version/umbraco cms/12.0.0

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Frequently Asked Questions

What is the severity of CVE-2023-49273?
CVE-2023-49273 has been classified with a high severity level due to unauthorized access to certain endpoints by users with low privileges.
How do I fix CVE-2023-49273?
To fix CVE-2023-49273, upgrade Umbraco CMS to version 12.3.4, 10.8.1, or 8.18.10 depending on your current version.
What components are affected by CVE-2023-49273?
CVE-2023-49273 affects Umbraco CMS versions from 9.0.0 up to 12.3.4 and includes all intermediate versions.
What is the impact of CVE-2023-49273?
The impact of CVE-2023-49273 allows low-privilege users to access unintended features and delete restricted redirect URLs.
Who is at risk from CVE-2023-49273?
Users with low privileges, such as Editors, are at risk from CVE-2023-49273 due to their ability to access unauthorized endpoints.