Vulnerability-Lookup

GHSA-VHVR-HGG7-6XQJ

Vulnerability from github – Published: 2022-05-06 00:00 – Updated: 2022-05-14 00:03

Details

RTI Connext DDS Professional, Connext DDS Secure versions 4.2x to 6.1.0, and Connext DDS 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 ?

9.1 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-38487"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-406"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-05T17:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "RTI Connext DDS Professional, Connext DDS Secure versions 4.2x to 6.1.0, and Connext DDS 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.",
  "id": "GHSA-vhvr-hgg7-6xqj",
  "modified": "2022-05-14T00:03:34Z",
  "published": "2022-05-06T00:00:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38487"
    },
    {
      "type": "WEB",
      "url": "https://support.rti.com/s/login/?ec=302\u0026startURL=%2Fs%2F"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2022-05-05 15:18 – Updated: 2025-06-23 12:13

Title

Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro

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

icscert

References

URL

Tags

	https://www.rti.com/vulnerabilities/#cve-2021-38487
	https://www.cisa.gov/uscert/ics/advisories/icsa-2…
	https://support.rti.com/s/login/?ec=302&startURL=…

Impacted products

Vendor

Product

Version

RTI

Connext Professional

Affected: 4.1 , < 6.1.0 (custom)

RTI

Connext Micro

Affected: 4.0.0 , < 4.0.* (custom)
Affected: 3.0.0 , < 3.0.* (custom)
Affected: 2.4.0 , < 2.4.* (custom)

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), VÃctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research.

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JSON

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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.

Action not permitted

GHSA-VHVR-HGG7-6XQJ

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

Tags

Sightings

Nomenclature