CVE-2021-32755 Certificate pinning is not enforced on the web socket connection
Attackers can bypass certificate pinning on WebSocket connections in the Wire iOS app, potentially enabling man-in-the-middle attacks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-32755?
CVE-2021-32755 is a medium-severity vulnerability in wireapp wire-ios-transport, published on 13 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Wire is a collaboration platform. wire-ios-transport handles authentication of requests, network failures, and retries for the iOS implementation of Wire. In the 3.82 version of the iOS application, a new web socket implementation was introduced for users running iOS 13 or higher. This new websocket implementation is not configured to enforce certificate pinning when available. Certificate pinning for the new websocket is enforced in version 3.84 or above.
Weakness: CWE-295
Which versions are affected by CVE-2021-32755?
It affects 1 product.
Products include Wire Wire.
How do I fix CVE-2021-32755?
No fix has been published for CVE-2021-32755 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-32755 being exploited?
There is no known exploitation of CVE-2021-32755 in the wild and no public exploit code.