Medium severity · published Jul 13, 2021
CVE-2021-32755
Wire is a collaboration platform
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wire · Wire
before 3.84 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32755
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32755
Third Party Advisory
https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-v8mx-h3vj-w39v
More from Wire
9.8
CVE-2021-41093
Wire is an open source secure messenger
9.8
CVE-2020-27853
Wire before 2020-10-16 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a format string
8.0
CVE-2020-15258
In Wire before 3.20.x, `shell.openExternal` was used without checking the URL
7.5
CVE-2018-8909
The Wire application before 2018-03-07 for Android allows attackers to write to pathnames outside of the downloads directory via a ../ in a filename of a received file, related to…
6.5
CVE-2023-22737
wire-server provides back end services for Wire, a team communication and collaboration platform