Unspecified vulnerability in Appian Enterprise Business Process Management (BPM) Suite 5.6 SP1 allows remote attackers to cause a denial of service via a crafted packet to port 5400/tcp.
Conclusion & alert: CVE-2007-6509 is rated High Exploit Risk (85/100): CVSS High severity, with high exploitation likelihood (EPSS 75.53%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.17% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 30896 | exploit_db | edb | 2007-12-17 | 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 | 2026-02-27 | 71.37% | 75.53% | +4.17% |
| 2 | 2025-03-30 | 76.99% | 71.37% | -5.62% |
| 3 | 2025-03-29 | — | 76.99% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| appian | business_process_management_suite | 5.6 | cpe:2.3:a:appian:business_process_management_suite:5.6:sp1:*:*:*:*:*:* |