What is the CVSS score of CVE-2020-37200?

CVE-2020-37200 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Netsharewatcher are affected by CVE-2020-37200?

NetShareWatcher 1.5.8.0 is vulnerable to a denial-of-service attack that crashes the application when users enter oversized input into the registration key field.

Is there a public PoC exploit available for CVE-2020-37200?

Yes, a public proof-of-concept exploit is available for CVE-2020-37200. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-37200?

Within 24 hours: Inventory all systems running NetShareWatcher 1.5.8.0 and assess usage criticality. Within 7 days: Implement input validation controls and user awareness training to prevent accidental or malicious payload entry; isolate affected systems from untrusted networks if possible. Within 30 days: Contact vendor for patch availability timeline; evaluate alternative file-monitoring solutions if patch is not released; plan upgrade or replacement strategy.

Netsharewatcher CVE-2020-37200

HIGH

Stack-based Buffer Overflow (CWE-121)

2026-02-11 disclosure@vulncheck.com

Buffer Overflow Denial Of Service Netsharewatcher

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

PoC Detected

Feb 17, 2026 - 20:37 vuln.today

Public exploit code

CVE Published

Feb 11, 2026 - 21:16 nvd

HIGH 7.5

DescriptionCVE.org

NetShareWatcher 1.5.8.0 contains a buffer overflow vulnerability in the registration key input that allows attackers to crash the application by supplying oversized input. Attackers can generate a 1000-character payload and paste it into the registration key field to trigger an application crash.

AnalysisAI

Technical ContextAI

Classified as CWE-121 (Stack-based Buffer Overflow). Affects Netsharewatcher. NetShareWatcher 1.5.8.0 contains a buffer overflow vulnerability in the registration key input that allows attackers to crash the application by supplying oversized input. Attackers can generate a 1000-character payload and paste it into the registration key field to trigger an application crash.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.

CVE-2020-37200 vulnerability details – vuln.today

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Netsharewatcher CVE-2020-37200

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code