// For flags

CVE-2021-38487

RTI Connext DDS Professional and Connext DDS Secure Network Amplification

Severity Score

9.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

RTI Connext DDS Professional, Connext DDS Secure versions 4.2x to 6.1.0, and Connext DDS Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.

RTI Connext DDS Professional, Connext DDS Secure versiones 4.2x a 6.1.0, y Connext DDS Micro versiones 2.4 y posteriores, son vulnerables cuando un atacante envía un paquete especialmente diseñado para inundar los dispositivos de destino con tráfico no deseado. Esto puede resultar en una condición de denegación de servicio y a una exposición de información

*Credits: Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), Víctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-10 CVE Reserved
  • 2022-05-05 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-12-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-406: Insufficient Control of Network Message Volume (Network Amplification)
CAPEC
References (1)
URL Tag Source
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 Third Party Advisory
URL Date SRC
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
Rti
Search vendor "Rti"
 Connext Dds Micro
Search vendor "Rti" for product "Connext Dds Micro"
 >= 2.4
Search vendor "Rti" for product "Connext Dds Micro" and version " >= 2.4"
-
Affected
Rti
Search vendor "Rti"
 Connext Dds Professional
Search vendor "Rti" for product "Connext Dds Professional"
 >= 4.2 < 6.1.0
Search vendor "Rti" for product "Connext Dds Professional" and version " >= 4.2 < 6.1.0"
-
Affected
Rti
Search vendor "Rti"
 Connext Dds Secure
Search vendor "Rti" for product "Connext Dds Secure"
 >= 4.2 < 6.1.0
Search vendor "Rti" for product "Connext Dds Secure" and version " >= 4.2 < 6.1.0"
-
Affected