CVE-2011-5008

critical

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/71531

http://www.osvdb.org/77386

http://secunia.com/advisories/47018

http://seclists.org/bugtraq/2011/Nov/178

http://aluigi.altervista.org/adv/codesys_1-adv.txt

Details

Source: Mitre, NVD

Published: 2011-12-25

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.09304