Auth bypass in Apple iOS And Ipados

CVE-2024-40839

This issue was addressed through improved state management. This issue is fixed in iOS 17.5 and iPadOS 17.5. An attacker with physical access to an iOS device may be able to view notification contents from the Lock Screen.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.9% 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-2024-40839: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-40839?
CVE-2024-40839 is a low-severity vulnerability in Apple iOS And Ipados, classified under Missing Authorization. CVSS score: 2.4/10. Published 2025-01-15.
How severe is CVE-2024-40839?
Low severity. CVSS v3 base score is 2.4 out of 10.
Is CVE-2024-40839 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.