What is the CVSS score of CVE-2020-37029?

CVE-2020-37029 has a CVSS 3.1 base score of 8.4 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2020-37029?

Yes, a public proof-of-concept exploit is available for CVE-2020-37029. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-37029?

Within 24 hours: Inventory all systems running FTPDummy 4.80 and assess whether they are exposed to untrusted local users. Within 7 days: Implement network segmentation to restrict local access and disable FTPDummy if not actively required. Within 30 days: Migrate to an alternative, actively maintained FTP solution or contact vendor for patched version availability; monitor vendor security advisories for patch release.

CVE-2020-37029

HIGH

Classic Buffer Overflow (CWE-120)

2026-01-30 disclosure@vulncheck.com

Buffer Overflow

8.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.4 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Feb 04, 2026 - 16:34 vuln.today

Public exploit code

CVE Published

Jan 30, 2026 - 23:16 nvd

HIGH 8.4

DescriptionCVE.org

FTPDummy 4.80 contains a local buffer overflow vulnerability in its preference file handling that allows attackers to execute arbitrary code. Attackers can craft a malicious preference file with carefully constructed shellcode to trigger a structured exception handler overwrite and execute system commands.

AnalysisAI

FTPDummy 4.80 contains a local buffer overflow vulnerability in its preference file handling that allows attackers to execute arbitrary code. [CVSS 8.4 HIGH]

Technical ContextAI

Classified as CWE-120 (Classic Buffer Overflow). Affects its preference file handling. FTPDummy 4.80 contains a local buffer overflow vulnerability in its preference file handling that allows attackers to execute arbitrary code. Attackers can craft a malicious preference file with carefully constructed shellcode to trigger a structured exception handler overwrite and execute system commands.

Affected ProductsAI

Product: its preference file handling.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible.

CVE-2020-37029 vulnerability details – vuln.today

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CVE-2020-37029

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code