What is CVE-2023-31921?

CVE-2023-31921 is a medium-severity vulnerability in Jerryscript, classified under Reachable Assertion. CVSS score: 5.5/10. Published 2023-05-12.

How severe is CVE-2023-31921?

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

Is CVE-2023-31921 known to be exploited?

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

Vulnerability in Jerryscript

CVE-2023-31921

Jerryscript 3.0 (commit 05dbbd1) was discovered to contain an Assertion Failure via the ecma_big_uint_div_mod at jerry-core/ecma/operations/ecma-big-uint.c.

EPSS: 0.003 (22.0th percentile) — read the EPSS interpretation.

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.

Affected products

Jerryscript — versions 3.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-617 — Reachable Assertion

Public proof-of-concept exploits

EJueon/EJueon

References

cve@mitre.org (Exploit, Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-31921?: CVE-2023-31921 is a medium-severity vulnerability in Jerryscript, classified under Reachable Assertion. CVSS score: 5.5/10. Published 2023-05-12.
How severe is CVE-2023-31921?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-31921 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.