The transport_message_handler function in SCP-Firmware release versions 2.11.0-2.15.0 does not properly handle errors, potentially allowing an Application Processor (AP) to cause a buffer overflow in System Control Processor (SCP) firmware.
Conclusion & alert: CVE-2024-9413 is rated Moderate Risk (41.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.36%). 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 | 2026-06-15 | 0.68% | 0.36% | -0.32% |
| 2 | 2026-04-04 | 0.50% | 0.68% | +0.18% |
| 3 | 2026-02-24 | — | 0.50% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.0 | 3.1 | HIGH |
|
2.1 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| arm | scp_firmware | >= 2.11.0, < 2.16.0 | cpe:2.3:o:arm:scp_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://developer.arm.com/Arm%20Security%20Center/SCP-Firmware%20Vulnerability | Vendor Advisory |