An attacker could potentially exploit this vulnerability, leading to the ability to modify files on Honeywell Experion ControlEdge VirtualUOC and ControlEdge UOC . This exploit could be used to write a file that may result in unexpected behavior based on configuration changes or updating of files that could result in subsequent execution of a malicious application if triggered. Honeywell recommends updating to the most recent version of the product. See Honeywell Security Notification for recommendations on upgrading and versioning.
Conclusion & alert: CVE-2023-5389 is rated Moderate Risk (47.9/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.13%). Mandatory action: Review affected assets and schedule 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 | 2025-11-21 | 0.41% | 0.13% | -0.27% |
| 2 | 2025-11-18 | 0.13% | 0.41% | +0.27% |
| 3 | 2025-07-05 | — | 0.13% | — |
Full EPSS history (10 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 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| honeywell | controledge_unit_operations_controller_firmware | — | cpe:2.3:o:honeywell:controledge_unit_operations_controller_firmware:-:*:*:*:*:*:*:* |
| honeywell | controledge_virtual_unit_operations_controller_firmware | — | cpe:2.3:o:honeywell:controledge_virtual_unit_operations_controller_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://process.honeywell.com | Product |
| https://www.honeywell.com/us/en/product-security | Not Applicable |