What is CVE-2024-3077?

CVE-2024-3077 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Over-read. CVSS score: 6.8/10. Published 2024-03-29.

How severe is CVE-2024-3077?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2024-3077 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Zephyrproject Zephyr

CVE-2024-3077

An malicious BLE device can crash BLE victim device by sending malformed gatt packet

Published 2024-03-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

zoolab-org/blueman.artifact

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gmfv-4vfh-2mh8 (Exploit, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-3077?: CVE-2024-3077 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Buffer Over-read. CVSS score: 6.8/10. Published 2024-03-29.
How severe is CVE-2024-3077?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2024-3077 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.