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CVE-2020-22884

Buffer overflow vulnerability in function jsvGetStringChars in Espruino before RELEASE_2V09,...

9.8 Critical

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.83%Up 1.9 points since Jul 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

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

Record
CVE-2020-22884
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-120
Updated
2026-11-02
CVE List No score

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

Record
CVE-2020-22884
Updated
2026-11-02
EUVDEUVD-2020-15640 No score

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

Record
EUVD-2020-15640
Updated
2026-11-03
GitHub AdvisoriesGHSA-5674-6v46-8q99 No score

Buffer overflow vulnerability in function jsvGetStringChars in Espruino before RELEASE_2V09,...

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

Record
GHSA-5674-6v46-8q99
Weakness
CWE-120
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-22884 is a critical vulnerability (CVSS 9.8) in Espruino, published July 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.83%, the 86th percentile. No source names a fixed version.

References

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