A vulnerability has been identified in SIMATIC IPC1047 (All versions), SIMATIC IPC1047E (All versions with maxView Storage Manager < 4.09.00.25611 on Windows), SIMATIC IPC647D (All versions), SIMATIC IPC647E (All versions with maxView Storage Manager < 4.09.00.25611 on Windows), SIMATIC IPC847D (All versions), SIMATIC IPC847E (All versions with maxView Storage Manager < 4.09.00.25611 on Windows). The Adaptec Maxview application on affected devices is using a non-unique TLS certificate across installations to protect the communication from the local browser to the local application. A local attacker may use this key to decrypt intercepted local traffic between the browser and the application and could perform a man-in-the-middle attack in order to modify data in transit.
Conclusion & alert: CVE-2023-23588 is rated Low Risk (32.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.08%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2026-04-13 | 0.04% | 0.08% | +0.04% |
| 2 | 2023-04-11 | — | 0.04% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.2 | 3.1 | MEDIUM |
|
2.5 | 3.6 | [email protected] |
| 6.3 | 3.1 | MEDIUM |
|
1.0 | 5.2 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| siemens | simatic_ipc647d_firmware | — | cpe:2.3:o:siemens:simatic_ipc647d_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc847d_firmware | — | cpe:2.3:o:siemens:simatic_ipc847d_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_ipc1047_firmware | — | cpe:2.3:o:siemens:simatic_ipc1047_firmware:*:*:*:*:*:*:*:* |
| microchip | maxview_storage_manager | < 4.09.00.25611 | cpe:2.3:a:microchip:maxview_storage_manager:*:*:*:*:*:windows:*:* |
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-511182.pdf | Vendor Advisory |