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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://aluigi.altervista.org/adv/codesys_1-adv.txt
- http://seclists.org/bugtraq/2011/Nov/178
- http://secunia.com/advisories/47018Vendor Advisory
- http://www.osvdb.org/77388
- http://www.osvdb.org/77389
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdfExploit, US Government Resource
- 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/47018Vendor Advisory
- http://www.osvdb.org/77388
- http://www.osvdb.org/77389
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdfExploit, US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71533
Timeline
- Published
- Dec 25, 2011
- Last modified
- Jun 16, 2026
- NVD status
- Modified