What is CVE-2022-2993?

CVE-2022-2993 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Always-Incorrect Control Flow Implementation. CVSS score: 8.6/10. Published 2022-12-09.

How severe is CVE-2022-2993?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Zephyrproject Zephyr

CVE-2022-2993

There is an error in the condition of the last if-statement in the function smp_check_keys. It was rejecting current keys if all requirements were unmet.

Published 2022-12-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.2th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Zephyrproject Zephyr
Zephyrproject-Rtos Zephyr — versions unspecified

Weakness classification (CWE)

CWE-670 — Always-Incorrect Control Flow Implementation

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3286-jgjx-8cvr (Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2022-2993?: CVE-2022-2993 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Always-Incorrect Control Flow Implementation. CVSS score: 8.6/10. Published 2022-12-09.
How severe is CVE-2022-2993?: High severity. CVSS v3 base score is 8.6 out of 10.