peter bassill · operator
$ cve CVE-2020-22884 JSON

CVE-2020-22884

9.8
CRITICAL · CVSS 3.1 · EPSS 2.8% (pctl 86)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

Buffer overflow vulnerability in function jsvGetStringChars in Espruino before RELEASE_2V09, allows remote attackers to execute arbitrary code.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS2.83% — more likely to be exploited than 86% of all CVEs
WeaknessCWE-120
On CISA KEVno
Public exploitnone known
Published2021-07-13
Last modified2026-06-17

Affected (1)

VendorProduct
espruinoespruino

References

→ the Explorer  ·  watch your stack  ·  NVD