CVE-2020-22884
CRITICAL
9.8
CVSS Score
Published: July 13, 2021 at 02:44 PM UTC
Updated: June 17, 2026 at 03:04 AM UTC
1 product affected across 1 vendorEspruino
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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
Description
Buffer overflow vulnerability in function jsvGetStringChars in Espruino before RELEASE_2V09, allows remote attackers to execute arbitrary code.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.09
Affected range stops below 2.09, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/espruino/Espruino/issues/1799CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
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