Vulnerabilities in pkg:nuget/Umbraco.CMS

PACKAGE
Advisory Identifier: GHSA-wxw9-6pv9-c3xc
Share
Advisory Summary

CVE-2024-48929 is a MODERATE (CVSS 4.2) umbraco cms has incomplete server vulnerability (CWE-384: Session Fixation) affecting Umbraco.CMS libraries in the NuGet ecosystem. The issue involves umbraco cms has incomplete server termination during explicit sign-out. Remediation is available by upgrading affected packages to version 13.5.2, 10.8.7.

13 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:nuget/Umbraco.CMS

13 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:nuget/Umbraco.CMS. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-wxw9-6pv9-c3xc CVE-2024-48929 MODERATE Umbraco CMS Has Incomplete Server Termination During Explicit Sign-Out
GHSA-fp6q-gccw-7qqm CVE-2024-48926 MODERATE Umbraco CMS logout page displayed before session expiration
GHSA-4gp9-ff99-j6vj CVE-2024-48925 LOW Umbraco CMS Improper Access Control Vulnerability Allows Low-Privilege Users to Access Webhook API
GHSA-cfr5-7p54-4qg8 CVE-2023-49273 MODERATE Privilege Escalation using Spoofing
GHSA-8qp8-9rpw-j46c CVE-2023-49274 LOW SMTP misconfiguration leading to "Forgot Password" exploit that leaks registered user email.
GHSA-v98m-398x-269r CVE-2023-48313 MODERATE DOM-XSS on Backoffice login screen.
GHSA-335x-5wcm-8jv2 CVE-2023-48227 LOW Backoffice User can bypass "Publish" restriction
GHSA-6324-52pr-h4p5 CVE-2023-49089 LOW Using the directory back payload (“/../”) in a package name allows placement of package in other folders.
GHSA-7x74-h8cw-qhxq CVE-2023-49278 LOW Brute force exploit can be used to collect valid usernames
GHSA-xxc6-35r7-796w CVE-2023-38694 LOW Possible injection of HTML into user invite mails
GHSA-6xmx-85x3-4cv2 CVE-2023-49279 LOW Stored XSS via SVG File Upload
GHSA-x34j-wxq8-7vcm CVE-2015-8813 HIGH Umbraco CMS vulnerable to CSRF
GHSA-5f6p-4hxq-rjxm CVE-2015-8814 HIGH Umbraco CMS vulnerable to CSRF

CVE-2024-48929 at a Glance

CVE Identifier CVE-2024-48929
GHSA Identifier GHSA-wxw9-6pv9-c3xc
Severity MODERATE
CVSS v3.1 Base Score 4.2
CWE Classification CWE-384: Session Fixation
Affected Product Umbraco.CMS
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 4.2

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:R/S:U/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2024-48929

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.

Umbraco.CMS fixed: 13.5.2 
Upgrade Umbraco.CMS to 13.5.2
Umbraco.CMS fixed: 10.8.7 
Upgrade Umbraco.CMS to 10.8.7
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for Umbraco.CMS

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-48929, inspect your project dependencies for Umbraco.CMS:

inspect dependencies for Umbraco.CMS

Analyze 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 13.5.2), 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-384: Session Fixation, where authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. 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

### Impact During an explicit sign-out, the server session is not fully terminated.

CVE-2024-48929 Affected Umbraco.CMS Versions

2 component(s)
Fixed Versions:
13.5.210.8.7
Product / Package Ecosystem Affected Versions Fixed Version
Umbraco.CMS
nuget/Umbraco.CMS
NuGet
≥ 13.0.0
< 13.5.2
13.5.2
Umbraco.CMS
nuget/Umbraco.CMS
NuGet
≥ 10.0.0
< 10.8.7
10.8.7

References

GitHub Advisory / Wiki ADVISORY
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-wxw9-6pv9-c3xc
NVD — CVE-2024-48929 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-48929
Umbraco.CMS Source Repository REPOSITORY
https://github.com/umbraco/Umbraco-CMS

Frequently Asked Questions

What is CVE-2024-48929?
CVE-2024-48929 is a security vulnerability in Umbraco.CMS involving Umbraco CMS Has Incomplete Server Termination During Explicit Sign-Out under CWE-384: Session Fixation.
Which Umbraco.CMS versions are affected?
Affected versions include releases prior to 13.5.2, 10.8.7 across affected packages: Umbraco.CMS.
What version fixes CVE-2024-48929?
Upgrading to 13.5.2, 10.8.7 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Umbraco.CMS affected?
Yes, Umbraco.CMS is affected in releases prior to 13.5.2, 10.8.7. Upgrade your dependency to 13.5.2, 10.8.7 or later.
What is the CVSS score of CVE-2024-48929?
CVE-2024-48929 has a CVSS v3.1 base score of 4.2 (MODERATE) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.
What CWE is associated with CVE-2024-48929?
CVE-2024-48929 is classified under CWE-384: Session Fixation (Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.).
How can I check NuGet dependencies for CVE-2024-48929?
Run the dependency tree command: 'inspect dependencies for Umbraco.CMS'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-wxw9-6pv9-c3xc",
  "modified" : "2024-10-22T19:22:32Z",
  "published" : "2024-10-22T18:13:47Z",
  "aliases" : [ "CVE-2024-48929" ],
  "summary" : "Umbraco CMS Has Incomplete Server Termination During Explicit Sign-Out",
  "details" : "### Impact\nDuring an explicit sign-out, the server session is not fully terminated.\n",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Umbraco.CMS"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "13.0.0"
      }, {
        "fixed" : "13.5.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Umbraco.CMS"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "10.0.0"
      }, {
        "fixed" : "10.8.7"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-wxw9-6pv9-c3xc"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-48929"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/umbraco/Umbraco-CMS"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-384" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-10-22T18:13:47Z",
    "nvd_published_at" : "2024-10-22T16:15:08Z"
  }
}