CVE-2021-38435
Medium
Published: 05 May 2022
Published
05 May 2022
Modified
05 February 2025
KEV Added
—
Patch
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CVSS Score v3.1
6.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
EPSS Score
0.0019
40.2th percentile
Risk Priority
13
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-38435 is a medium-severity Incorrect Calculation of Buffer Size (CWE-131) vulnerability in Rti Connext Professional. Its CVSS base score is 6.6 (Medium).
Operationally, ranked at the 40.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-24887
Vulnerability details
RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
rti
connext professional
4.2 — 6.1.0
rti
connext secure
4.2 — 6.1.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.