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CVE-2021-38487

HIGH
Published 2022-05-05T15:18:41.000Z
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Expert Analysis

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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.296
Higher than 29.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

RTI

Connext DDS Professional

Affected Versions:

4.2x
RTI

Connext DDS Secure

Affected Versions:

4.2x
RTI

Connext DDS Micro

Affected Versions:

2.4

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-vhvr-hgg7-6xqj

Advisory 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.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-38487
WEB https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F
WEB https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

Advisory provided by GitHub Security Advisory Database. Published: May 6, 2022, Modified: May 14, 2022

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02
https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F
Published: 2022-05-05T15:18:41.000Z
Last Modified: 2025-04-16T16:23:33.579Z
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