Medium severity · published Jun 3, 2021
CVE-2021-32666
wire-ios is the iOS version of Wire, an open-source secure messaging app
6.5
CVSS
0.9%
EPSS
No
On KEV
Description
wire-ios is the iOS version of Wire, an open-source secure messaging app. In wire-ios versions 3.8.0 and prior, a vulnerability exists that can cause a denial of service between users. If a user has an invalid assetID for their profile picture and it contains the " character, it will cause the iOS client to crash. The vulnerability is patched in wire-ios version 3.8.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wire · Wire
before 3.81 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32666
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32666
Patch
https://github.com/wireapp/wire-ios-data-model/commit/35af3f632085f51a2ce7f608fdaeffd1a69ad89f
Patch
https://github.com/wireapp/wire-ios/security/advisories/GHSA-2x9x-vh27-h4rv
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