CVE-2023-49274: Umbraco.CMS SMTP Misconfiguration Leading To "Forgot Vulnerability
LOWCVE-2023-49274 is a LOW (CVSS 3.7) smtp misconfiguration leading to "forgot vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Umbraco.CMS libraries in the NuGet ecosystem. The issue involves smtp misconfiguration leading to "forgot password" exploit that leaks registered user email.. Remediation is available by upgrading affected packages to version 12.3.4, 8.18.10, 10.8.1.
CVE-2023-49274 at a Glance
Security Impact
CVSS: 3.7
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
How to Fix CVE-2023-49274
To remediate this vulnerability, upgrade all affected Umbraco.CMS dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade Umbraco.CMS to 12.3.4Upgrade Umbraco.CMS to 8.18.10Upgrade Umbraco.CMS to 10.8.1Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for Umbraco.CMSHow to Check if You Are Affected
To determine whether your application is affected by CVE-2023-49274, inspect your project dependencies for Umbraco.CMS:
inspect dependencies for Umbraco.CMSAnalyze the terminal output to locate any version of Umbraco.CMS in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 12.3.4), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Umbraco.CMS, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2023-49274 Affected Umbraco.CMS Versions
3 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
Umbraco.CMS
|
NuGet |
≥ 11.0.0
< 12.3.4
|
12.3.4
|
|
Umbraco.CMS
|
NuGet |
≥ 8.0.0
< 8.18.10
|
8.18.10
|
|
Umbraco.CMS
|
NuGet |
≥ 9.0.0
< 10.8.1
|
10.8.1
|
References
Frequently Asked Questions
What is CVE-2023-49274?
Which Umbraco.CMS versions are affected?
What version fixes CVE-2023-49274?
Is Umbraco.CMS affected?
What is the CVSS score of CVE-2023-49274?
What CWE is associated with CVE-2023-49274?
How can I check NuGet dependencies for CVE-2023-49274?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-8qp8-9rpw-j46c",
"modified" : "2024-01-12T16:28:56Z",
"published" : "2023-12-13T13:26:34Z",
"aliases" : [ "CVE-2023-49274" ],
"summary" : "SMTP misconfiguration leading to \"Forgot Password\" exploit that leaks registered user email. ",
"details" : "#### Impact\nA user enumeration attack is possible when SMTP is not setup correctly, but reset password is enabled\n\n#### Explanation of the vulnerability \nTwo different error messages was shown, based on if the user exists or not when using the forgot password functionality, when the SMTP was configured but do not response.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "NuGet",
"name" : "Umbraco.CMS"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "8.0.0"
}, {
"fixed" : "8.18.10"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Umbraco.CMS"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.0.0"
}, {
"fixed" : "10.8.1"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "Umbraco.CMS"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "11.0.0"
}, {
"fixed" : "12.3.4"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-8qp8-9rpw-j46c"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-49274"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/umbraco/Umbraco-CMS"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-200" ],
"severity" : "LOW",
"github_reviewed" : true,
"github_reviewed_at" : "2023-12-13T13:26:34Z",
"nvd_published_at" : "2023-12-12T20:15:07Z"
}
}