What is CVE-2021-46323?

CVE-2021-46323 is a medium-severity vulnerability in Espruino. CVSS score: 5.5/10. Published 2022-01-20.

How severe is CVE-2021-46323?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Espruino

CVE-2021-46323

Espruino 2v11.251 was discovered to contain a SEGV vulnerability via src/jsinteractive.c in jsiGetDeviceFromClass.

Published 2022-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.8th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% 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

Espruino — versions 2.11.251

References

github.com/espruino/Espruino/issues/2122 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-46323?: CVE-2021-46323 is a medium-severity vulnerability in Espruino. CVSS score: 5.5/10. Published 2022-01-20.
How severe is CVE-2021-46323?: Medium severity. CVSS v3 base score is 5.5 out of 10.