Vulnerability · Published Dec 12, 2023 · Assigned by GitHub_M

CVE-2023-49089Umbraco CMS possible path traversal when creating packages from backoffice

High 7.7

In plain English

A high-severity path traversal 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 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.6%top 49.9% 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 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10, 10.8.1, and 12.3.0 contain a patch for this issue.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
NuGetumbraco.cms8.18.10GHSA-6324-52pr-h4p5
NuGetumbraco.cms10.8.1GHSA-6324-52pr-h4p5
NuGetumbraco.cms12.3.4GHSA-6324-52pr-h4p5

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-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

References