zenAdminSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted packet to TCP port 50777, aka Reference Number 25240.
Conclusion & alert: CVE-2011-4533 is rated Moderate Risk (61.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.04%). Core evidence: EPSS rose +1.16% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule 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 | 1.88% | 3.04% | +1.16% |
| 2 | 2025-03-30 | 3.08% | 1.88% | -1.20% |
| 3 | 2025-03-29 | — | 3.08% | — |
Full EPSS history (12 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] |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/47892 | Vendor Advisory |
| http://www.us-cert.gov/control_systems/pdf/ICSA-12-013-01.pdf | US Government Resource |