Vulnerability Report

CVE-2011-5009

Title: 3Ssoftware Codesys Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2011-5009

CWE Category NVD-CWE-noinfo
Published Date Dec 25, 2011
Modified Date Jun 16, 2026
Exploit Status Available
Score 5.0 CVSS v2.0
Exploit Probability (EPSS)
10.77%

Vulnerability Summary

CVE-2011-5009: 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.

Impacted Vendors

C
codesys 1
3
3ssoftware 1

Reference Links

http://aluigi.altervista.org/adv/codesys_1-adv.txt http://seclists.org/bugtraq/2011/Nov/178 http://secunia.com/advisories/47018 http://www.osvdb.org/77388 http://www.osvdb.org/77389 http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf https://exchange.xforce.ibmcloud.com/vulnerabilities/71533 http://aluigi.altervista.org/adv/codesys_1-adv.txt http://seclists.org/bugtraq/2011/Nov/178 http://secunia.com/advisories/47018 http://www.osvdb.org/77388 http://www.osvdb.org/77389 http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf https://exchange.xforce.ibmcloud.com/vulnerabilities/71533
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-5009 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/36378
View Code
Exploit-DB https://www.exploit-db.com/exploits/36377
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.