A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). An attacker with network access to the Application Server could gain remote code execution by sending specifically crafted packets to 1099/tcp. Please note that an attacker needs to have network access to the Application Server in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.
Conclusion & alert: CVE-2019-18316 is rated High Risk (70.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.67%). Core evidence: EPSS rose +1.32% over the last day, indicating growing attacker interest. 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 | 2026-05-20 | 1.34% | 2.67% | +1.32% |
| 2 | 2026-04-28 | 1.71% | 1.34% | -0.37% |
| 3 | 2025-11-21 | — | 1.71% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| siemens | sppa-t3000_application_server | < r8.2 | cpe:2.3:a:siemens:sppa-t3000_application_server:*:*:*:*:*:*:*:* |
| siemens | sppa-t3000_application_server | r8.2 | cpe:2.3:a:siemens:sppa-t3000_application_server:r8.2:-:*:*:*:*:*:* |
| siemens | sppa-t3000_application_server | r8.2 | cpe:2.3:a:siemens:sppa-t3000_application_server:r8.2:sp1:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-451445.pdf | Mitigation Vendor Advisory |