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TI-2021-12423 Aliases CVE-2021-32755

Certificate pinning is not enforced on the web socket connection

Priority LOW 24CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

Wire is a collaboration platform. wire-ios-transport handles authentication of requests, network failures, and retries for the iOS implementation of Wire. In the 3.82 version of the iOS application, a new web socket implementation was introduced for users running iOS 13 or higher. This new websocket implementation is not configured to enforce certificate pinning when available. Certificate pinning for the new websocket is enforced in version 3.84 or above.

Why it matters now

EPSS 0.00314 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
wireappwire-ios-transport= 3.8.2—No fix listedCNA
  • wire-ios-transport Vendorwireapp Affected = 3.8.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:wire:wire:*:*:*:*:*:*:*:*before 3.84Vulnerablewireapp
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*13.0Running onApple
  • cpe:2.3:a:wire:wire:*:*:*:*:*:*:*:* Versions before 3.84 Vulnerable ·wireapp
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions 13.0 Running on ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-32755

References

Advisory 1

  • TI-2022-21436 Wire through 3.22.3993 on Windows advertises deletion of sent messages; nonetheless, all… CVSS 3.1MEDIUM 4.7
  • TI-2020-16922 Wire before 2020-10-16 allows remote attackers to cause a denial of service (application… CVSS 3.1CRITICAL 9.8
  • TI-2021-17935 Account takeover when having only access to a user's short lived token CVSS 3.1CRITICAL 9.8
  • TI-2021-12333 Verified groups not reliable CVSS 3.1HIGH 8.8
  • TI-2020-12030 Insecure use of shell.openExternal in Wire CVSS 3.1HIGH 8.0
  • TI-2018-06447 The Wire application before 2018-03-07 for Android allows attackers to write to pathnames… CVSS 3.0HIGH 7.5
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences