What is the CVSS score of CVE-2020-37066?

CVE-2020-37066 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2020-37066?

Yes, a public proof-of-concept exploit is available for CVE-2020-37066. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2020-37066?

Within 24 hours: Inventory all systems running GoldWave 5.70 and restrict network access to affected machines. Within 7 days: Implement compensating controls including disabling the File Open URL dialog feature, isolating GoldWave systems on segmented networks, and establishing monitoring for exploitation attempts. Within 30 days: Evaluate migration to alternative audio software or upgrade to a patched version once vendor releases a fix; establish a vendor communication plan to track patch availability.

CVE-2020-37066

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2026-02-03 disclosure@vulncheck.com

Buffer Overflow Stack Overflow

9.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 04, 2026 - 16:33 vuln.today

Public exploit code

CVE Published

Feb 03, 2026 - 22:16 nvd

CRITICAL 9.8

DescriptionNVD

GoldWave 5.70 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting malicious input in the File Open URL dialog. Attackers can generate a specially crafted text file with Unicode-encoded shellcode to trigger a stack-based overflow and execute commands when the file is opened.

AnalysisAI

GoldWave 5.70 audio editor has a buffer overflow enabling code execution through crafted audio files.

Technical ContextAI

GoldWave 5.70 has a CWE-121 stack buffer overflow when processing certain audio file formats, allowing code execution when a user opens a crafted file.

Affected ProductsAI

GoldWave 5.70

RemediationAI

Update GoldWave. Avoid opening untrusted audio files.

CVE-2020-37066 vulnerability details – vuln.today

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CVE-2020-37066

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code