What is CVE-2022-21155?

CVE-2022-21155 is a high-severity vulnerability in Apple macOS, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-04-12.

How severe is CVE-2022-21155?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Apple macOS

CVE-2022-21155

A specially crafted packet sent to the Fernhill SCADA Server Version 3.77 and earlier may cause an exception, causing the server process (FHSvrService.exe) to exit.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.011 (61.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apple Macos
Fernhill Scada Server — versions unspecified
Fernhillsoftware Scada_server
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2022-21155?: CVE-2022-21155 is a high-severity vulnerability in Apple macOS, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-04-12.
How severe is CVE-2022-21155?: High severity. CVSS v3 base score is 7.5 out of 10.