Path Traversal in Umbraco Cms
CVE-2012-10054
Umbraco CMS versions prior to 4.7.1 are vulnerable to unauthenticated remote code execution via the codeEditorSave.asmx SOAP endpoint, which exposes a SaveDLRScript operation that permits arbitrary file uploads without authentication. By exploiting a path traversal flaw in the fileName parameter, attackers can write malicious ASPX scripts directly into the web-accessible /umbraco/ directory and execute them remotely.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.028 (85.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Umbraco Cms — versions 0
- Umbraco Umbraco_cms
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosure@vulncheck.com (Exploit, exploit)
- disclosure@vulncheck.com (Exploit, exploit)
- disclosure@vulncheck.com (technical-description, Patch, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (vendor-advisory, Patch, Third Party Advisory, patch)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2012-10054?
- CVE-2012-10054 is a critical-severity vulnerability in Umbraco Cms, classified under Path Traversal. CVSS score: 9.8/10. Published 2025-08-13.
- How severe is CVE-2012-10054?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2012-10054 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.