The vertica-udx-zygote process in HP Vertica 7.1.1 UDx does not require authentication, which allows remote attackers to execute arbitrary commands via a crafted packet, aka ZDI-CAN-2914.
Conclusion & alert: CVE-2015-6867 is rated High Risk (65.5/100): CVSS High severity, with high exploitation likelihood (EPSS 4.71%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.80% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
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 | 0.91% | 4.71% | +3.80% |
| 2 | 2026-04-14 | 1.26% | 0.91% | -0.35% |
| 3 | 2026-03-03 | — | 1.26% | — |
Full EPSS history (22 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] |