The Planet Fitness Workouts iOS and Android mobile apps fail to properly validate TLS certificates, allowing an attacker with appropriate network access to obtain session tokens and sensitive information. Planet Fitness first addressed this vulnerability in version 9.8.12 (released on 2024-07-25) and more recently in version 9.9.13 (released on 2025-02-11).
CVE ID: CVE-2024-43201
CVSS Base Severity: HIGH
CVSS Base Score: 8.8
CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor: Planet Fitness
Product: Planet Fitness Workouts
EPSS Score: 0.11% (probability of being exploited)
EPSS Percentile: 18.02% (scored less or equal to compared to others)
EPSS Date: 2025-03-29 (when was this score calculated)
SSVC Exploitation: poc
SSVC Technical Impact: total
SSVC Automatable: false