How severe is CVE-2021-41093?

This vulnerability has a severity rating of CRITICAL with a CVSS score of 9.8 out of 10.

What type of vulnerability is CVE-2021-41093?

This is classified as CWE-285, which is a common weakness in software security.

CVE-2021-41093 - CRITICAL Severity | CVSS 9.8

Vulnerability Description

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.

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