CVE-2021-41193 CRITICAL

CVE-2021-41193: Use of Externally-Controlled Format String in wire-avs

Vendor Wireapp
Product wire-avs
Weakness CWE-134
Published March 1, 2022
Last update April 23, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.

Key dates

02Disclosure timeline

March 1, 2022 CVE published
April 23, 2025 Record updated