CVE-2011-3486
UnknownEPSS 50.56%
Last modified
CVE-2011-3486 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 50.56% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Beckhoff | Twincat | <= 2.11.0.2004 |
| Beckhoff | Twincat | 2.7 |
| Beckhoff | Twincat | 2.8 |
| Beckhoff | Twincat | 2.9 |
| Beckhoff | Twincat | 2.10 |
References
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdfUS Government Resource
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdfUS Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-3486?
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?
Severity scoring for CVE-2011-3486 is pending analysis. The EPSS model estimates a 50.56% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3486?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2011-3486?
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Scan your code nowSource: NVD / NIST