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CVE-2021-38487 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 16, 2025Exploitation: NoneAutomatable: YesTechnical Impact: Partial
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F | RTI | Permissions RequiredVendor Advisory |
| https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 | RTI | Third Party AdvisoryUS Government Resource |
| https://www.rti.com/vulnerabilities/#cve-2021-38487 | RTI | |
| https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F | CVE | Permissions RequiredVendor Advisory |
| https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 | CVE | Third Party AdvisoryUS Government Resource |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-406 | Insufficient Control of Network Message Volume (Network Amplification) | RTI |
| CWE-923 | Improper Restriction of Communication Channel to Intended Endpoints | RTI |
Affected Products
| Product | Versions |
|---|---|
| rti connext dds micro | >= 2.4 |
CPE
Remediation
| |
| rti connext professional | >= 4.2, < 6.1.0 |
CPE
Remediation
| |
| rti connext secure | >= 4.2, < 6.1.0 |
CPE
Remediation
| |
Change History
8 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | RTI |
| Jun 23, 2025 | CVE Modified | RTI |
| Feb 5, 2025 | CPE Deprecation Remap | [email protected] |
| Feb 5, 2025 | CPE Deprecation Remap | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| May 13, 2022 | Initial Analysis | [email protected] |