Vulnerability in Apple Iphone OS

CVE-2024-43201

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).

Vulnerability class: Improper Certificate Validation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.2% 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-2024-43201: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-43201?
CVE-2024-43201 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Certificate Validation. CVSS score: 8.8/10. Published 2024-09-23.
How severe is CVE-2024-43201?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-43201 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.