CVE-2021-38433

Published: May 5, 2022Modified: Jun 17, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 vulnerable to a stack-based buffer overflow, which may allow a local attacker to execute arbitrary code.

Affected (2)

Products: Rti: Connext Professional, Connext Secure

Rti

2 products

Connext Professional

Connext Secure

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Rti Connext Professional	From 4.2 to 6.1.0
Rti Connext Secure	From 4.2 to 6.1.0

Related CWEs

CWE-121

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References (4)

https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F

Source: ics-cert@hq.dhs.gov

Permissions RequiredVendor Advisory

https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

Source: ics-cert@hq.dhs.gov

Third Party AdvisoryUS Government Resource

https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2F

Source: af854a3a-2127-422b-91ae-364da2661108

Permissions RequiredVendor Advisory

https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

Timeline

No history available yet.