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CVE-2025-56425

Optimal-systems Enaio command injection

9.1 CRITICALPublic exploitEPSS 0.74%
  1. Published8 Jan 2026

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Optimal-systems Enaio≥ 10.10.0.0 < 10.10.0.183 · ≥ 11.0.0.0 < 11.0.0.183 · ≥ 11.10.0.0 < 11.10.0.183

Remediation

Fixed in
Optimal-systems Enaio≥ 10.10.0.183

References

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Frequently asked

Is CVE-2025-56425 being actively exploited?

CVE-2025-56425 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.74%.

How severe is CVE-2025-56425?

CVE-2025-56425 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.74% probability of exploitation.

Which products are affected by CVE-2025-56425?

Affected products include Optimal-systems Enaio.

How do I fix CVE-2025-56425?

Upgrade affected software to a fixed version, for example Optimal-systems Enaio 10.10.0.183 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-56425 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.