The Invoker Servlet on SAP NetWeaver Application Server Java platforms, possibly before 7.3, does not require authentication, which allows remote attackers to execute arbitrary code via an HTTP or HTTPS request, as exploited in the wild in 2013 through 2016, aka a "Detour" attack.
Conclusion & alert: CVE-2010-5326 is rated Critical Active Threat (94.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 13.18%, 94th percentile). Core evidence: CISA KEV confirms active exploitation (added 2021-11-03) affecting SAP / NetWeaver. a weakness (CWE-306) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: SAP NetWeaver Remote Code Execution Vulnerability · CISA KEV detail
: 2021-11-03
: 2022-05-03
: Apply updates per vendor instructions.
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 | 2026-04-23 | 16.90% | 13.18% | -3.73% |
| 2 | 2026-01-09 | 19.00% | 16.90% | -2.09% |
| 3 | 2025-12-13 | — | 19.00% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 3.1 | CRITICAL |
|
3.9 | 6.0 | [email protected] |
| 10.0 | 3.1 | CRITICAL |
|
3.9 | 6.0 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sap | netweaver_application_server_java | <= 7.30 | cpe:2.3:a:sap:netweaver_application_server_java:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://service.sap.com/sap/support/notes/1445998 | Permissions Required |
| http://www.onapsis.com/research/publications/sap-security-in-depth-vol4-the-invoker-servlet-a-dangerous-detour-into-sap-java-solutions | Broken Link |
| http://www.securityfocus.com/bid/48925 | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/90533 | Third Party Advisory VDB Entry |
| http://www.us-cert.gov/ncas/alerts/TA16-132A | Third Party Advisory US Government Resource |
| https://www.onapsis.com/threat-report-tip-iceberg-wild-exploitation-cyber-attacks-sap-business-applications | Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-5326 | US Government Resource |