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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,…
Medium5.0EPSS 49.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 49.6% · top 1.1% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (5)
- twincat-datagram-dos(69765) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 8380 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdf (opens in a new tab)x_refsource_MISCx_transferred
- 75495 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://aluigi.altervista.org/adv/twincat_1-adv.txt (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .