What is CVE-2024-11863?

CVE-2024-11863 is a medium-severity vulnerability in Arm Scp-Firmware, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.3/10. Published 2025-01-14.

How severe is CVE-2024-11863?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Arm Scp-Firmware

CVE-2024-11863

Specifically crafted SCMI messages sent to an SCP running SCP-Firmware release versions up to and including 2.15.0 may lead to a Usage Fault and crash the SCP

Published 2025-01-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

developer.arm.com/Arm Security Center/SCP-Firmware Vulnerability CVE-2024-11863… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-11863?: CVE-2024-11863 is a medium-severity vulnerability in Arm Scp-Firmware, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.3/10. Published 2025-01-14.
How severe is CVE-2024-11863?: Medium severity. CVSS v3 base score is 5.3 out of 10.