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CVE-2021-38487 Detail

Current 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.


View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  RTI
CVSS-B 8.8 HIGH
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F CVE, RTI Permissions Required  Vendor Advisory 
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02 CVE, RTI Third Party Advisory  US Government Resource 
https://www.rti.com/vulnerabilities/#cve-2021-38487 RTI

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  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-38487
NVD Published Date:
05/05/2022
NVD Last Modified:
06/23/2025
Source:
RTI