CVE-2021-41093 HIGH

CVE-2021-41093: Account takeover when having only access to a user's short lived token

Vendor Wireapp
Product wire-ios
Weakness CWE-285
Published October 4, 2021
Last update August 4, 2024

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 4, 2021 CVE published
August 4, 2024 Record updated