CVE-2021-38487 (GCVE-0-2021-38487)

Vulnerability from cvelistv5 – Published: 2022-05-05 15:18 – Updated: 2025-06-23 12:13
VLAI?
Summary
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.
Severity ?
8.8 (High)
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
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CWE
  • CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)
  • CWE-923 - Improper Restriction of Communication Channel to Intended Endpoints
Assigner
References
Impacted products
Vendor Product Version
RTI Connext Professional Affected: 4.1 , < 6.1.0 (custom)
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    RTI Connext Micro Affected: 4.0.0 , < 4.0.* (custom)
Affected: 3.0.0 , < 3.0.* (custom)
Affected: 2.4.0 , < 2.4.* (custom)
Create a notification for this product.
Credits
Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), Víctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research.
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}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.