Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE
Published Aug 13, 2025
9.3
CRITICALCVSS 4.0
EPSS 2.80%
Description
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.
Affected products
-
- Version 0StatusaffectedConstraints<4.7.1
- Version
- < 4.7.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Aug 14, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.80% (0.02801) | 85.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.64% (0.02636) | 83.52th | v5 (v2026.06.15) |
| Jun 9, 2026 | 83.78% (0.83783) | 99.31th | v4 (v2025.03.14) |
| Jan 9, 2026 | 76.42% (0.76423) | 98.89th | v4 (v2025.03.14) |
| Dec 13, 2025 | 75.19% (0.75188) | 98.83th | v4 (v2025.03.14) |
| Oct 8, 2025 | 73.93% (0.73932) | 98.76th | v4 (v2025.03.14) |
| Oct 3, 2025 | 2.17% (0.02166) | 83.75th | v4 (v2025.03.14) |
| Aug 14, 2025 | 0.70% (0.00699) | 71.02th | v4 (v2025.03.14) |
References (6)
- https://github.com/umbraco/Umbraco-CMS product
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/umbraco_upload_aspx.rb exploit
- https://web.archive.org/web/20111017174609/http://umbraco.codeplex.com/releases/view/73692 vendor-advisorypatchThird Party Advisory
- https://web.archive.org/web/20120707033729/http://blog.gdssecurity.com/labs/2012/7/3/find-bugs-faster-with-a-webmatrix-local-reference-instance.html exploittechnical-descriptionPatch
- https://www.exploit-db.com/exploits/19671 exploit
- https://www.vulncheck.com/advisories/umbraco-cms-rce third-party-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/umbraco/Umbraco-CMS | product | |
| https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/umbraco_upload_aspx.rb | exploit | |
| https://web.archive.org/web/20111017174609/http://umbraco.codeplex.com/releases/view/73692 | vendor-advisorypatchThird Party Advisory | |
| https://web.archive.org/web/20120707033729/http://blog.gdssecurity.com/labs/2012/7/3/find-bugs-faster-with-a-webmatrix-local-reference-instance.html | exploittechnical-descriptionPatch | |
| https://www.exploit-db.com/exploits/19671 | exploit | |
| https://www.vulncheck.com/advisories/umbraco-cms-rce | third-party-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.