Vulnerability Database

309,469

Total vulnerabilities in the database

CVE-2021-38427

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

  • Published: May 5, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-38427
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.6
  • AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.6
  • AV:L/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
rti / connext_secure 4.2.0 6.1.0.x
rti / connext_professional 4.2.0 6.1.0.x