What is CVE-2024-33454?

CVE-2024-33454 is a medium-severity vulnerability in Espressif Esp-Idf, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2024-05-14.

How severe is CVE-2024-33454?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Espressif Esp-Idf

CVE-2024-33454

Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to execute arbitrary code via a crafted script to the Bluetooth stack component.

Vulnerability class: Buffer Overflow

Published 2024-05-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Espressif Esp-Idf — versions 5.1

Weakness classification (CWE)

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

References

gist.github.com/Zakary-D/30f565c4266c02c62aa9089c363e78e9 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-33454?: CVE-2024-33454 is a medium-severity vulnerability in Espressif Esp-Idf, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2024-05-14.
How severe is CVE-2024-33454?: Medium severity. CVSS v3 base score is 6.5 out of 10.