CVE-2021-38487

RTI Connext Professional versions 4.1 to 6.1.0, and Connext 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.

CVSS v3 8.2 HIGH
CVSS v2.0 6.4 MEDIUM

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F	Permissions Required Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02	Third Party Advisory US Government Resource
https://www.rti.com/vulnerabilities/#cve-2021-38487
https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F	Permissions Required Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:rti:connext_dds_micro::::::::
	cpe:2.3:a:rti:connext_professional::::::::
	cpe:2.3:a:rti:connext_secure::::::::

History

No history.

Information

Published : 2022-05-05 17:15

Updated : 2025-06-23 12:15

NVD link : CVE-2021-38487

Mitre link : CVE-2021-38487

CVE.ORG link : CVE-2021-38487

JSON object : View

Products Affected

rti

connext_professional
connext_dds_micro
connext_secure

CWE

CWE-406

Insufficient Control of Network Message Volume (Network Amplification)

CWE-923

Improper Restriction of Communication Channel to Intended Endpoints

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