CVE-2011-3486
Beckhoff TwinCAT 2.11.0.2004 - Denial of Service
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
2
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Beckhoff TwinCAT 2.11.0.2004 y versiones anteriores permite a atacantes remotos provocar una denegación de servicio a través de una petición modificada al puerto UDP 48899, lo que provoca una lectura fuera de límites.
Beckhoff TwinCAT versions 2.11.0.2004 and below can be brought down by sending a crafted UDP packet to port 48899 (TCATSysSrv.exe).
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2011-09-14 First Exploit
- 2011-09-16 CVE Reserved
- 2011-09-16 CVE Published
- 2024-08-06 CVE Updated
- 2024-12-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| http://osvdb.org/75495 | Vdb Entry | |
| http://securityreason.com/securityalert/8380 | Third Party Advisory | |
| http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-06.pdf | Us Government Resource | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/69765 | Vdb Entry |
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/17835 | 2011-09-14 | |
| http://aluigi.altervista.org/adv/twincat_1-adv.txt | 2024-08-06 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Beckhoff Search vendor "Beckhoff" | Twincat Search vendor "Beckhoff" for product "Twincat" | <= 2.11.0.2004 Search vendor "Beckhoff" for product "Twincat" and version " <= 2.11.0.2004" | - |
Affected
| ||||||
| Beckhoff Search vendor "Beckhoff" | Twincat Search vendor "Beckhoff" for product "Twincat" | 2.7 Search vendor "Beckhoff" for product "Twincat" and version "2.7" | - |
Affected
| ||||||
| Beckhoff Search vendor "Beckhoff" | Twincat Search vendor "Beckhoff" for product "Twincat" | 2.8 Search vendor "Beckhoff" for product "Twincat" and version "2.8" | - |
Affected
| ||||||
| Beckhoff Search vendor "Beckhoff" | Twincat Search vendor "Beckhoff" for product "Twincat" | 2.9 Search vendor "Beckhoff" for product "Twincat" and version "2.9" | - |
Affected
| ||||||
| Beckhoff Search vendor "Beckhoff" | Twincat Search vendor "Beckhoff" for product "Twincat" | 2.10 Search vendor "Beckhoff" for product "Twincat" and version "2.10" | - |
Affected
| ||||||