What’s Vulnerable › Vulnerabilities

CVE-2020-37029: FTPDummy 4.80 - Local Buffer Overflow

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-30 · updated 2026-06-17
• Weakness: CWE-120

Description

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 products

• K.soft FTPDummy: 4.80

References

• http://www.dummysoftware.com/ftpdummy.html
• https://www.exploit-db.com/exploits/48685
• https://www.vulncheck.com/advisories/ftpdummy-local-buffer-overflow

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