Buffer overflow in ftpd 5.4 in 3Com NBX 4.0.17 or ftpd 5.4.2 in 3Com NBX 4.1.4 allows remote attackers to cause a denial of service (crash) via a long CEL command.
Conclusion & alert: CVE-2002-2300 is rated High Exploit Risk (79.6/100): CVSS High severity, with high exploitation likelihood (EPSS 29.51%, 97th percentile). Core evidence: 3 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 |
|---|---|---|---|---|
| 22060 | exploit_db | edb | 2002-12-02 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2026-06-06 | 28.74% | 29.51% | +0.77% |
| 2 | 2025-10-10 | 19.84% | 28.74% | +8.90% |
| 3 | 2025-03-30 | — | 19.84% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| 3com | webbngss3nbxnts | 4.0.17 | cpe:2.3:h:3com:webbngss3nbxnts:4.0.17:*:*:*:*:*:*:* |
| 3com | webbngss3nbxnts | 4.1.4 | cpe:2.3:h:3com:webbngss3nbxnts:4.1.4:*:*:*:*:*:*:* |
| 3com | webbngss3nbxnts | 4.1.21 | cpe:2.3:h:3com:webbngss3nbxnts:4.1.21:*:*:*:*:*:*:* |