Unrestricted file upload vulnerability in the SAP NetWeaver Development Infrastructure (NWDI) allows remote attackers to execute arbitrary code by uploading a file with an executable extension via unspecified vectors.
Conclusion & alert: CVE-2013-6820 is rated High Risk (67.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.59%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 3.78% | 3.59% | -0.19% |
| 2 | 2025-03-30 | 3.94% | 3.78% | -0.16% |
| 3 | 2025-03-29 | — | 3.94% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
: Per: http://cwe.mitre.org/data/definitions/434.html "CWE-434: Unrestricted Upload of File with Dangerous Type"
: Per: http://erpscan.com/advisories/dsecrg-13-004-sap-netweaver-di-arbitrary-file-upload/ "The vulnerability can lead to uploading any file to SAP web server without authorization. An attacker can use it to upload a backdoor and obtain full access to SAP system. "
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sap | netweaver_development_infrastructure | — | cpe:2.3:a:sap:netweaver_development_infrastructure:-:*:*:*:*:*:*:* |