Off-by-one error in the do_login_loop function in libwzd-core/wzd_login.c in wzdftpd 0.8.0, 0.8.2, and possibly other versions allows remote attackers to cause a denial of service (daemon crash) via a long USER command that triggers a stack-based buffer overflow. NOTE: some of these details are obtained from third party information.
Conclusion & alert: CVE-2007-5300 is rated High Exploit Risk (68.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 15.08%, 95th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 4498 | exploit_db | edb | 2007-10-07 | Exploit-DB ↗ |
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 | 2026-05-28 | 14.59% | 15.08% | +0.49% |
| 2 | 2025-11-15 | 14.10% | 14.59% | +0.50% |
| 3 | 2025-07-28 | — | 14.10% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
low | CVE-2007-5300 low priority: Ubuntu including 1 source packages (wzdftpd), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): released 4, needs-triage 1. | https://ubuntu.com/security/CVE-2007-5300 |