Security readout for executives and security teams
CVE-2011-4533 affects the zenAdminSrv.exe service in COPA-DATA zenon 6.51 SP0. A remote attacker could send a crafted network packet to crash the service, with possible arbitrary code execution noted by the CVE description. For industrial environments, the main concern is operational disruption and potential compromise of a management service. Exposure is most likely where legacy zenon 6.51 SP0 systems or related administration services remain deployed and TCP port 50777 is reachable from untrusted networks or broad internal segments. Treat this as a high-priority legacy ICS exposure if zenon 6.51 SP0 is present. Urgency depends on reachability: internet or broad internal access materially increases risk. Mitigation focus: Inventory zenon deployments and identify any 6.51 SP0 systems.; Check COPA-DATA and ICS-CERT guidance for supported fixes or upgrades.; Restrict TCP port 50777 to trusted administration hosts only..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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