CVE-2011-4534

Name: CVE-2011-4534
Creator: NVD / NIST
Published: 2012-02-10T19:55:01.893+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.52%

Last modified Jun 16, 2026

CVE-2011-4534 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.52% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.52%

82.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Copadata	Zenon	6.51	Sp0

References

http://secunia.com/advisories/47892Vendor Advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-12-013-01.pdfUS Government Resource
http://secunia.com/advisories/47892Vendor Advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-12-013-01.pdfUS Government Resource

Timeline

Published: Feb 10, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4534?

How severe is CVE-2011-4534?

Severity scoring for CVE-2011-4534 is pending analysis. The EPSS model estimates a 2.52% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4534?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4534?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST