Vulnerability · Published Dec 12, 2023 · Assigned by GitHub_M

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

Medium 5.4

In plain English

A medium-severity incorrect authorization in Umbraco-CMS from umbraco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 69.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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, users with low privileges (Editor, etc.) are able to access some unintended endpoints. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
NuGetumbraco.cms8.18.10GHSA-cfr5-7p54-4qg8
NuGetumbraco.cms10.8.1GHSA-cfr5-7p54-4qg8
NuGetumbraco.cms12.3.4GHSA-cfr5-7p54-4qg8

Affected products (as reported)

VendorProductVersions
umbraco Umbraco-CMS >= 8.0.0, < 8.18.10>= 9.0.0-rc001, < 10.8.1>= 11.0.0-rc1, < 12.3.4

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References