Unrated severityNVD Advisory· Published Dec 25, 2011· Updated Apr 29, 2026
CVE-2011-5009
CVE-2011-5009
Description
The 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 dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.
Affected products
1- cpe:2.3:a:3ssoftware:codesys:3.4:sp4:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdfnvdExploitUS Government Resource
- secunia.com/advisories/47018nvdVendor Advisory
- aluigi.altervista.org/adv/codesys_1-adv.txtnvd
- seclists.org/bugtraq/2011/Nov/178nvd
- www.osvdb.org/77388nvd
- www.osvdb.org/77389nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/71533nvd
News mentions
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