CVE-2021-32755

Certificate pinning is not enforced on the web socket connection

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.10%
Third-Party Advisory github.com
Affected: wireapp wire-ios-transport
Published at:
Updated at:

References

Link Tags
https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-v8mx-h3vj-w39v third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-32755?
CVE-2021-32755 has been scored as a medium severity vulnerability.
How to fix CVE-2021-32755?
To fix CVE-2021-32755, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32755 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-32755 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32755?
CVE-2021-32755 affects wireapp wire-ios-transport.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.