GHSA-cx59-cp6c-9fr8 · Severity: high · Ecosystem: pip — pyftpdlib vulnerable to allocation of resources without limits
The ftp_STOU function in FTPServer.py in pyftpdlib before 0.2.0 does not limit the number of attempts to discover a unique filename, which might allow remote authenticated users to cause a denial of service via a STOU command.
Conclusion & alert: CVE-2007-6740 is rated Low Risk (38.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.16%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.51% | 1.16% | +0.64% |
| 2 | 2025-03-30 | 0.56% | 0.51% | -0.05% |
| 3 | 2025-03-29 | — | 0.56% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
GHSA-cx59-cp6c-9fr8 · Severity: high · Ecosystem: pip — pyftpdlib vulnerable to allocation of resources without limits
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2007-6740 unimportant priority: Debian including 1 source packages (python-pyftpdlib), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2007-6740 |