CVE-2011-4534

HIGH 7.5CVE-2011-4534 · Published 10/02/2012 · updated 16/06/2026

In short

CVE-2011-4534 is a HIGH (CVSS 7.5) vulnerability affecting zenon (copadata).
Chance of exploitation in the next 30 days (EPSS): 2.4%, higher than 84.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
zenon copadata	`= 6.51`	No fix yet

Description

ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (service crash) or possibly execute arbitrary code via a series of connections and disconnections on TCP port 1101, aka Reference Number 25212.

References

secunia.com/advisories/47892 · Vendor Advisory
us-cert.gov/control_systems/pdf/ICSA-12-013-01.pdf · US Government Resource

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