CVE-2021-21301 Video feed was captured while user has disabled video

Low 2.6 Published 11 Feb 2021 Updated 3 Aug 2024

Attackers can view video feeds from users who believe their camera is disabled, compromising privacy in Wire for iOS video calls.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-21301?

CVE-2021-21301 is a low-severity vulnerability in wireapp wire-ios, published on 11 Feb 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Wire is an open-source collaboration platform. In Wire for iOS (iPhone and iPad) before version 3.75 there is a vulnerability where the video capture isn't stopped in a scenario where a user first has their camera enabled and then disables it. It's a privacy issue because video is streamed to the call when the user believes it is disabled. It impacts all users in video calls. This is fixed in version 3.75.

Weakness: CWE-200

Which versions are affected by CVE-2021-21301?

It affects 1 product.

Products include Wire Wire.

How do I fix CVE-2021-21301?

No fix has been published for CVE-2021-21301 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-21301 being exploited?

There is no known exploitation of CVE-2021-21301 in the wild and no public exploit code.

Sources

Also known as GHSA-7fg4-x8vj-qvxf.