An issue was discovered in the AppConnector component version 10.10.0.183 and earlier of enaio 10.10, in the AppConnector component version 11.0.0.183 and earlier of enaio 11.0, and in the AppConnctor component version 11.10.0.183 and earlier of enaio 11.10. The vulnerability allows authenticated remote attackers to inject arbitrary SMTP commands via crafted input to the /osrest/api/organization/sendmail endpoint
Conclusion & alert: CVE-2025-56425 is rated High Exploit Risk (67.7/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.64%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.29% | 0.64% | +0.35% |
| 2 | 2026-06-06 | 0.36% | 0.29% | -0.07% |
| 3 | 2026-05-10 | — | 0.36% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| optimal-systems | enaio | >= 10.10.0.0, < 10.10.0.183 | cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:* |
| optimal-systems | enaio | >= 11.0.0.0, < 11.0.0.183 | cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:* |
| optimal-systems | enaio | >= 11.10.0.0, < 11.10.0.183 | cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://mind-bytes.de/smtp-injection-in-enaio-component-appconnector-cve-2025-56425/ | Exploit Third Party Advisory |
| https://www.optimal-systems.de/enaio | Product |