CVE-2011-5009

Published: Dec 25, 2011Modified: Apr 29, 2026

5.0

Vector

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

Exploitability: 10.0 / Impact: 2.9

Source: NVD

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 (1)

Products: 3ssoftware: Codesys

3ssoftware

1 product

Codesys

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
3ssoftware Codesys	Version 3.4 sp4

References (14)

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

Source: cve@mitre.org

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

Source: cve@mitre.org

http://secunia.com/advisories/47018

Source: cve@mitre.org

Vendor Advisory

http://www.osvdb.org/77388

Source: cve@mitre.org

http://www.osvdb.org/77389

Source: cve@mitre.org

http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf

Source: cve@mitre.org

ExploitUS Government Resource

https://exchange.xforce.ibmcloud.com/vulnerabilities/71533

Source: cve@mitre.org

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