CVEvulnerability
CVE-2011-3486
5.0 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2011-09-16
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• beckhoff twincat (<= 2.11.0.2004)
• beckhoff twincat 2.7
• beckhoff twincat 2.8
• beckhoff twincat 2.9
• beckhoff twincat 2.10
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://aluigi.altervista.org/adv/twincat_1-adv.txt Exploit
- http://osvdb.org/75495 osvdb.org
- http://securityreason.com/securityalert/8380 securityreason.com
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdf US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69765 exchange.xforce.ibmcloud.com
- http://aluigi.altervista.org/adv/twincat_1-adv.txt Exploit
- http://osvdb.org/75495 osvdb.org
- http://securityreason.com/securityalert/8380 securityreason.com
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdf US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69765 exchange.xforce.ibmcloud.com