Buffer overflow in K.soft Ftpdummy
CVE-2020-37029
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- K.soft Ftpdummy — versions 4.80
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48685 (exploit)
- www.dummysoftware.com/ftpdummy.html (product)
- www.vulncheck.com/advisories/ftpdummy-local-buffer-overflow (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37029?
- CVE-2020-37029 is a high-severity vulnerability in K.soft Ftpdummy, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2026-01-30.
- How severe is CVE-2020-37029?
- High severity. CVSS v3 base score is 8.4 out of 10.