The COSPAS-SARSAT protocol allows remote attackers to forge messages, replay encrypted messages, conduct denial of service attacks, and send private messages (unrelated to distress alerts) via a crafted 406 MHz digital signal.
https://conference.hitb.org/hitbsecconf2019ams/sessions/the-birdman-hacking-cospas-sarsat-satellites/
https://conference.hitb.org/hitbsecconf2019ams/materials/D1T1%20-%20The%20Birdman%20and%20Cospas-Sarsat%20Satellites%20-%20Hao%20Jingli.pdf
Source: Mitre, NVD
Published: 2019-08-15
Updated: 2026-06-17
Base Score: 9.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C
Severity: High
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Severity: Critical
EPSS: 0.00757