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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.019 (78.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-38432: held from 0.019 to 0.019.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.