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CVE-2021-38487

Rti Connext Professional vulnerability

8.2 HIGHEPSS 3.38%
  1. Published5 May 2022

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected products

Rti Connext Dds Micro≥ 2.4
Rti Connext Professional≥ 4.2 < 6.1.0
Rti Connext Secure≥ 4.2 < 6.1.0

Remediation

Fixed in
Rti Connext Professional≥ 6.1.0
Rti Connext Secure≥ 6.1.0

References

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Frequently asked

Is CVE-2021-38487 being actively exploited?

CVE-2021-38487 is not in the CISA KEV catalog. Its EPSS exploit probability is 3.38%.

How severe is CVE-2021-38487?

CVE-2021-38487 has a CVSS 3.1 base score of 8.2, rated high. EPSS estimates a 3.38% probability of exploitation.

Which products are affected by CVE-2021-38487?

Affected products include Rti Connext Dds Micro, Rti Connext Professional, Rti Connext Secure.

How do I fix CVE-2021-38487?

Upgrade affected software to a fixed version, for example Rti Connext Professional 6.1.0, Rti Connext Secure 6.1.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-38487 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.