What is CVE-2019-19605?

CVE-2019-19605 is a critical-severity vulnerability in X-Plane, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-03-30.

How severe is CVE-2019-19605?

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

Buffer overflow in X-Plane

CVE-2019-19605

X-Plane before 11.41 allows Arbitrary Memory Write via crafted network packets, which could cause a denial of service or arbitrary code execution.

Vulnerability class: Buffer Overflow

Published 2020-03-30 · last modified 2026-06-17.

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: 0.022 (81.5th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

X-Plane

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

blog.0xlabs.com/2020/03/x-plane-1141-remote-command-execution.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19605?: CVE-2019-19605 is a critical-severity vulnerability in X-Plane, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-03-30.
How severe is CVE-2019-19605?: Critical severity. CVSS v3 base score is 9.8 out of 10.