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.
References
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

23 Jun 2025, 12:15

Type Values Removed Values Added
References
  • () https://www.rti.com/vulnerabilities/#cve-2021-38487 -
CWE CWE-923
CVSS v2 : 6.4
v3 : 7.5
v2 : 6.4
v3 : 8.2
Summary (en) 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. (en) 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.

05 Feb 2025, 13:26

Type Values Removed Values Added
First Time Rti connext Secure
Rti connext Professional
CPE cpe:2.3:a:rti:connext_dds_professional:*:*:*:*:*:*:*:*
cpe:2.3:a:rti:connext_dds_secure:*:*:*:*:*:*:*:*
cpe:2.3:a:rti:connext_secure:*:*:*:*:*:*:*:*
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*

21 Nov 2024, 06:17

Type Values Removed Values Added
References () https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F - Permissions Required, Vendor Advisory () https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F - Permissions Required, Vendor Advisory
References () https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 - Third Party Advisory, US Government Resource () https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 - Third Party Advisory, US Government Resource
CVSS v2 : 6.4
v3 : 9.1
v2 : 6.4
v3 : 7.5

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_dds_micro
  • connext_professional
  • connext_secure
CWE
CWE-406

Insufficient Control of Network Message Volume (Network Amplification)

CWE-923

Improper Restriction of Communication Channel to Intended Endpoints