Free Float FTP 1.0 STOR Command Remote Buffer Overflow
Published Mar 22, 2026
9.3
CRITICALCVSS 4.0
EPSS 0.95%
Description
Free Float FTP 1.0 contains a buffer overflow vulnerability in the STOR command handler that allows remote attackers to execute arbitrary code by sending a crafted STOR request with an oversized payload. Attackers can authenticate with anonymous credentials and send a malicious STOR command containing 247 bytes of padding followed by a return address and shellcode to trigger code execution on the FTP server.
Affected products
-
- Version 1.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Freefloat | Free Float FTP | n/a |
|
- 1.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Mar 23, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Mar–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.95% (0.00946) | 59.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.95% (0.00946) | 56.34th | v5 (v2026.06.15) |
| Mar 23, 2026 | 0.18% (0.00178) | 39.10th | v4 (v2025.03.14) |
References (3)
- http://www.freefloat.com/software/freefloatftpserver.zip productBroken Link
- https://www.exploit-db.com/exploits/46763 exploitThird Party AdvisoryVDB Entry
- https://www.vulncheck.com/advisories/free-float-ftp-stor-command-remote-buffer-overflow third-party-advisoryThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.freefloat.com/software/freefloatftpserver.zip | productBroken Link | |
| https://www.exploit-db.com/exploits/46763 | exploitThird Party AdvisoryVDB Entry | |
| https://www.vulncheck.com/advisories/free-float-ftp-stor-command-remote-buffer-overflow | third-party-advisoryThird Party Advisory |
Change history (0)
No recorded changes yet.