What’s Vulnerable › Vulnerabilities

CVE-2011-4534

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-02-10 · updated 2026-06-16

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.

Affected products

• Copadata Zenon: 6.51-sp0

References

• http://secunia.com/advisories/47892
• http://www.us-cert.gov/control_systems/pdf/ICSA-12-013-01.pdf
• http://secunia.com/advisories/47892
• http://www.us-cert.gov/control_systems/pdf/ICSA-12-013-01.pdf

Get alerted when CVE-2011-4534 or the next vulnerability affects your stack