Improper input validation in Wire
CVE-2021-32666
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Wire
- Wireapp Wire-Ios — versions <= 3.8.0
Weakness classification (CWE)
References
- github.com/wireapp/wire-ios/security/advisories/GHSA-2x9x-vh27-h4rv (Patch, Third Party Advisory)
- github.com/wireapp/wire-ios-data-model/commit/35af3f632085f51a2ce7f608fdaeffd1a… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32666?
- CVE-2021-32666 is a medium-severity vulnerability in Wire, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-06-03.
- How severe is CVE-2021-32666?
- Medium severity. CVSS v3 base score is 6.5 out of 10.