CVE-2021-38487: Rti Connext Dds Micro

Critical severity, CVSS 9.1. EPSS: 3.4% chance of exploitation in the next 30 days.

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.

Affected products

• Rti Connext Dds Micro: from 2.4
• Rti Connext Professional: from 4.2, before 6.1.0 (fixed in 6.1.0)
• Rti Connext Secure: from 4.2, before 6.1.0 (fixed in 6.1.0)

Published 2022-05-05. Last modified 2026-06-17.