What is CVE-2024-22905?

CVE-2024-22905 is a high-severity vulnerability in Arm Mbed OS, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.0/10. Published 2024-04-19.

How severe is CVE-2024-22905?

High severity. CVSS v3 base score is 7.0 out of 10.

Buffer overflow in Arm Mbed OS

CVE-2024-22905

Buffer Overflow vulnerability in ARM mbed-os v.6.17.0 allows a remote attacker to execute arbitrary code via a crafted script to the hciTrSerialRxIncoming function.

Vulnerability class: Buffer Overflow

Published 2024-04-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.6% 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

Arm Mbed OS — versions 6.17.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/ARMmbed/mbed-os/blob/7c7d20da6527885237094d9d50ce099404414201/connec… (Product)
github.com/ARMmbed/mbed-os/blob/7c7d20da6527885237094d9d50ce099404414201/connec… (Product)
github.com/ARMmbed/mbed-os/issues/15462 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-22905?: CVE-2024-22905 is a high-severity vulnerability in Arm Mbed OS, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.0/10. Published 2024-04-19.
How severe is CVE-2024-22905?: High severity. CVSS v3 base score is 7.0 out of 10.