CVE-2021-38433 | BDVDB-2026-175313 Detail

RTIConnext DDS Professional

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact high. Attack vector: local.

Weaknesses#

CWE-121 Stack-based Buffer Overflow

References#

Exploit#

No public exploit known

History#

Version 12022-05-05Record published in the CVE List.
Version 22025-04-16Most recent update recorded in the CVE List.

Published

Published: 2022-05-05
Last modified: 2025-04-16

Vendor information

Vendor: RTI
Product: Connext DDS Professional

All RTI vulnerabilities

Score

6.6 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 48.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 4.2x and <= 6.1.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.6 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).