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TI-2021-17935 Aliases CVE-2021-41093

Account takeover when having only access to a user's short lived token

Priority MEDIUM 45CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-285.

Summary

Wire is an open source secure messenger. In affected versions if the an attacker gets an old but valid access token they can take over an account by changing the email. This issue has been resolved in version 3.86 which uses a new endpoint which additionally requires an authentication cookie. See wire-ios-sync-engine and wire-ios-transport references. This is the root advisory that pulls the changes together.

Why it matters now

EPSS 0.01491 74th percentileScored 2026-11-07
Fix Fixed wire-ios (wireapp): 3.86

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
wireappwire-iosbefore 3.863.86Patch availableCNA
  • wire-ios Vendorwireapp Affected before 3.86 Fixed in 3.86 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wire:wire:*:*:*:*:*:iphone_os:*:*before 3.86Vulnerablewireapp
  • cpe:2.3:a:wire:wire:*:*:*:*:*:iphone_os:*:* Versions before 3.86 Vulnerable ·wireapp

Remediation

  • Fix · CNA wire-ios (wireapp) Fixed in 3.86

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41093

References

Patch 1

Advisory 2

Other 2

  • 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-2021-12333 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
  • TI-2022-07678 DoS vulnerability: Malformed Resource Identifiers CVSS 3.1MEDIUM 6.5
See all 12 →

Sources

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