Buffer overflow in the Group messages monitor (Falcon) in KNX ETS 4.1.5 (Build 3246) allows remote attackers to execute arbitrary code via a crafted KNXnet/IP UDP packet.
Conclusion & alert: CVE-2015-8299 is rated High Exploit Risk (81.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.17%, 93th percentile). Core evidence: 2 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 |
|---|---|---|---|---|
| — | 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 | 2026-06-15 | 11.74% | 6.17% | -5.58% |
| 2 | 2026-05-02 | 12.45% | 11.74% | -0.71% |
| 3 | 2025-03-30 | — | 12.45% | — |
Full EPSS history (21 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/134524/KNX-ETS-4.1.5-Build-3246-Buffer-Overflow.html | Exploit Third Party Advisory VDB Entry |
| https://github.com/sbaresearch/advisories/tree/public/2015/knAx_20150101 | Exploit Third Party Advisory |