CVE-2021-38487

Connext Dds Micro vulnerability

CVSS

8.2

EPSS

3.3%

EPSS pct

87th

Exploited

No known

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 vendor

Rti

Affected product

Connext Dds Micro

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Weakness type (CWE)

CWE-406 — Insufficient Control of Network Message Volume
CWE-923

Published

2022-05-05

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, high impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2021-38487

Confirm whether Rti Connext Dds Micro is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-38487.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-38487

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