What’s Vulnerable › Vulnerabilities

CVE-2021-32665: Verified groups not reliable

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-03 · updated 2026-06-17
• Weakness: CWE-345

Description

wire-ios is the iOS version of Wire, an open-source secure messaging app. wire-ios versions 3.8.0 and earlier have a bug in which a conversation could be incorrectly set to "unverified. This occurs when: - Self user is added to a new conversation - Self user is added to an existing conversation - All the participants in the conversation were previously marked as verified. The vulnerability is patched in wire-ios version 3.8.1. As a workaround, one can unverify & verify a device in the conversation.

Affected products

• wireapp wire-ios: before 3.81 — fixed in 3.81

How to fix

Upgrade to a fixed version: wireapp wire-ios 3.81. Check the vendor advisory for mitigations.

References

• https://github.com/wireapp/wire-ios-data-model/commit/bf9db85886b12a20c8374f55b7c4a610e8ae9220
• https://github.com/wireapp/wire-ios/security/advisories/GHSA-mc65-7w99-c6qv
• https://github.com/wireapp/wire-ios-data-model/commit/bf9db85886b12a20c8374f55b7c4a610e8ae9220
• https://github.com/wireapp/wire-ios/security/advisories/GHSA-mc65-7w99-c6qv

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