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Vulnerability record · CVE-2011-5008 · published 25 December 2011

CVE-2011-5008: 3ssoftware codesys vulnerability

33ssoftware · Codesys

Integer overflow in the GatewayService component in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to execute arbitrary code via a large size value in the packet header, which triggers a heap-based buffer overflow.

7.5 CVSS 2.0 High EPSS 5.0% · top 8.1% CWE-189 · CWE-189
7.5CVSS 2.0 base score
5.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Integer overflow in the GatewayService component in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to execute arbitrary code via a large size value in the packet header, which triggers a heap-based buffer overflow.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://aluigi.altervista.org/adv/codesys_1-adv.txt
http://seclists.org/bugtraq/2011/Nov/178
http://secunia.com/advisories/47018 Vendor Advisory
http://www.osvdb.org/77386
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf ExploitUS Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/71531
http://aluigi.altervista.org/adv/codesys_1-adv.txt
http://seclists.org/bugtraq/2011/Nov/178
http://secunia.com/advisories/47018 Vendor Advisory
http://www.osvdb.org/77386
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf ExploitUS Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/71531

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-50073S CoDeSys CmpWebServer stack buffer overflow via long URIThe CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, contains a stack-base…EPSS 73%analysed6.4CVE-2011-50583ssoftware codesys permissions and access controls vulnerabilityThe CmbWebserver.dll module of the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to create arbitrary directories under the we…EPSS 1.8%5.0CVE-2011-50093ssoftware codesys vulnerabilityThe CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer d…EPSS 10%8.4CVE-2013-2094Linux Kernel perf_swevent_init Integer Type Flaw Enables Local Privilege EscalationThe perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, allowing a local user to…KEVEPSS 48%analysed

Source: NIST National Vulnerability Database (record CVE-2011-5008), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.