What is the CVSS score of CVE-2020-37075?

CVE-2020-37075 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: 0.3%.

Is there a public PoC exploit available for CVE-2020-37075?

Yes, a public proof-of-concept exploit is available for CVE-2020-37075. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2020-37075?

Within 24 hours: Identify and inventory all systems running LanSend 3.2; disable the Add Computers Wizard file import functionality if possible; restrict network access to LanSend services to trusted networks only. Within 7 days: Implement compensating controls (network segmentation, WAF rules blocking malicious imports); conduct threat hunting for signs of exploitation; evaluate alternative software solutions. Within 30 days: Either upgrade to a patched version of LanSend (if available from vendor) or complete migration to an alternative solution; document business justification if continued use is unavoidable.

CVE-2020-37075

CRITICAL

Classic Buffer Overflow (CWE-120)

2026-02-03 disclosure@vulncheck.com

Buffer Overflow

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

DescriptionCVE.org

LanSend 3.2 contains a buffer overflow vulnerability in the Add Computers Wizard file import functionality that allows remote attackers to execute arbitrary code. Attackers can craft a malicious payload file to trigger a structured exception handler (SEH) overwrite and execute shellcode when importing computers from a file.

AnalysisAI

LanSend 3.2 has a buffer overflow in the Add Computers Wizard file import enabling code execution through crafted computer list files.

Technical ContextAI

LanSend 3.2 has a CWE-120 buffer overflow in the computer list file import functionality of the Add Computers Wizard.

Affected ProductsAI

LanSend 3.2

RemediationAI

Avoid opening untrusted files in LanSend.

CVE-2020-37075 vulnerability details – vuln.today

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CVE-2020-37075

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code