Vulnerability Description
Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.
CVSS Score
5.0
MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Beckhoff | Twincat | <= 2.11.0.2004 |
Related Weaknesses (CWE)
References
- http://aluigi.altervista.org/adv/twincat_1-adv.txtExploit
- http://osvdb.org/75495
- http://securityreason.com/securityalert/8380
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdfUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69765
- http://aluigi.altervista.org/adv/twincat_1-adv.txtExploit
- http://osvdb.org/75495
- http://securityreason.com/securityalert/8380
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdfUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69765
FAQ
What is CVE-2011-3486?
CVE-2011-3486 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Beckhoff TwinCAT 2.11.0.2004 and earlier allows remote attackers to cause a denial of service via a crafted request to UDP port 48899, which triggers an out-of-bounds read.
How severe is CVE-2011-3486?
CVE-2011-3486 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-3486?
Check the references section above for vendor advisories and patch information. Affected products include: Beckhoff Twincat.