CVE-2024-11863: Specifically crafted SCMI messages sent to an SCP running SCP-Firmware release versions up to and including 2.

Q: How do I fix CVE-2024-11863?

scp firmware: upgrade to 2.16.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-11863 being exploited?

CVE-2024-11863 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-11863 affect?

CVE-2024-11863 affects scp firmware. Severity is medium (CVSS 5.3). 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

Q: How urgent is CVE-2024-11863?

Priority 32/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2024-11863 is a medium-severity flaw (CVSS 5.3) affecting scp firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-755
Published	2025-01-14
Last modified	2026-06-17

Publisher (CNA): Arm Limited · Vendor: arm

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-14 14:15 UTCPublished CVE record published
2026-06-17 06:58 UTCUpdated Record last modified

arm scp firmware UPGRADE

Affected: < 2.16.0

Fixed in: 2.16.0

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-11863?

scp firmware: upgrade to 2.16.0. Exact commands for each OS are on this page.

Is CVE-2024-11863 being exploited?

CVE-2024-11863 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-11863 affect?

CVE-2024-11863 affects scp firmware. Severity is medium (CVSS 5.3). 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

How urgent is CVE-2024-11863?

Priority 32/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-9413 HIGH 8.0 UPGRADE The transport_message_handler function in SCP-Firmware release versions 2.11.0-2.15.0 does not properly handle
CVE-2024-11864 HIGH 7.5 UPGRADE Specifically crafted SCMI messages sent to an SCP running SCP-Firmware release versions up to and including 2.

References

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