VULNERABILITY INTELLIGENCE
CVE-2021-38487
CVSS score8.8 HIGH
EPSS probability3.38%
CISA KEVNot currently listed
Published2022-05-05
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description
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.
Weakness classification
- CWE-406: Insufficient Control of Network Message Volume (Network Amplification)
- CWE-923: Improper Restriction of Communication Channel to Intended Endpoints
Primary references
- 3f572a00-62e2-4423-959a-7ea25eff1638 — Permissions Required, Vendor Advisory
- 3f572a00-62e2-4423-959a-7ea25eff1638 — Third Party Advisory, US Government Resource
- 3f572a00-62e2-4423-959a-7ea25eff1638
- af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource