Skip to main content
Live Webinar with SANS (June 25)— Agentic CTI Automation for Fun & ProfitRegister Free
Mallory
Medium

File access issue in Apple operating systems allowing access to user-sensitive data

IdentifiersCVE-2024-40850CWE-20

CVE-2024-40850 is a file access vulnerability in multiple Apple operating systems. Apple describes it as a file access issue that was addressed with improved input validation. Successful exploitation may allow an application to access user-sensitive data. The available advisory information does not identify the specific vulnerable component or function, but indicates the flaw is related to insufficient validation in file access handling.

Share:
For your environment

Are you exposed to this one?

Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.

ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

A malicious application may be able to access sensitive user data that should not be available to it, resulting in unauthorized disclosure of private information and a breach of platform data access controls.

Mitigation

If you can’t patch tonight, do this now.

Until patches are applied, reduce exposure by limiting installation of untrusted or unnecessary applications, enforcing application allowlisting where feasible, and restricting app permissions and access to sensitive data. Standard mobile device management and enterprise application control measures may reduce risk, but vendor patching is the primary mitigation.

Remediation

Patch, then assume compromise.

Apply the vendor fixes provided by Apple. Apple states the issue is fixed in macOS Ventura 13.7, iOS 17.7, iPadOS 17.7, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18, iPadOS 18, macOS Sonoma 14.7, and tvOS 18.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
AppleIpadosoperating_system
AppleIphone Osoperating_system
AppleMacosoperating_system
AppleTvosoperating_system
AppleVisionosoperating_system
AppleWatchosoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.