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?
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