What is CVE-2021-38432?

CVE-2021-38432 is a critical-severity vulnerability in Fatek Communication Server, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2021-10-15.

How severe is CVE-2021-38432?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Fatek Communication Server

CVE-2021-38432

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.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fatek Communication_server
Fatek Communication_server_firmware
Fatek Automation Communication Server — versions All

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-38432?: CVE-2021-38432 is a critical-severity vulnerability in Fatek Communication Server, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2021-10-15.
How severe is CVE-2021-38432?: Critical severity. CVSS v3 base score is 9.8 out of 10.