Cyber Resilience

CVE-2021-38432

Critical

Published: 15 October 2021

Published
15 October 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0086 75.5th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-38432 is a critical-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Fatek Communication Server Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 24.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user-supplied data, which could result in a stack-based buffer overflow condition and allow an attacker to remotely execute code.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

fatek
communication server firmware
≤ 1.13

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References