Skip to main content
CRITICAL

CVE-2020-25462

CVSS v3

9.8

CRITICAL

EPSS Score

2.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Heap buffer overflow in the fxCheckArrowFunction function at moddable/xs/sources/xsSyntaxical.c:3562 in Moddable SDK before OS200903.

Technical details

Published
2020-12-04

Frequently asked questions

What is CVE-2020-25462?

Heap buffer overflow in the fxCheckArrowFunction function at moddable/xs/sources/xsSyntaxical.c:3562 in Moddable SDK before OS200903.

Is CVE-2020-25462 actively exploited?

Active exploitation of CVE-2020-25462 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25462?

CVE-2020-25462 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-25462 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key