CVE-2021-41093
7.4 HIGHWire is an open source secure messenger
Published: 2021-10-04 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.4 HIGH
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- CWE
- CWE-285, CWE-863
Affected products
| Vendor | Product |
|---|---|
| wire | wire |
Description
Wire is an open source secure messenger. In affected versions if the an attacker gets an old but valid access token they can take over an account by changing the email. This issue has been resolved in version 3.86 which uses a new endpoint which additionally requires an authentication cookie. See wire-ios-sync-engine and wire-ios-transport references. This is the root advisory that pulls the changes together.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-41093
- [Other]https://github.com/wireapp/wire-ios-sync-engine/security/advisories/GHSA-w727-5f74-49xj
- [Other]https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-p354-6r3m-g4xr
- [Patch]https://github.com/wireapp/wire-ios/commit/b0e7bb3b13dd8212032cb46e32edf701694687c7
- [Other]https://github.com/wireapp/wire-ios/security/advisories/GHSA-6f4c-phfj-m255
- [Other]https://github.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333m
- [Other]https://github.com/wireapp/wire-ios-sync-engine/security/advisories/GHSA-w727-5f74-49xj
- [Other]https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-p354-6r3m-g4xr
- [Patch]https://github.com/wireapp/wire-ios/commit/b0e7bb3b13dd8212032cb46e32edf701694687c7
- [Other]https://github.com/wireapp/wire-ios/security/advisories/GHSA-6f4c-phfj-m255
- [Other]https://github.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333m
Related CVEs
Same vendor
- CVE-2021-41100 — Wire-server is the backing server for the open source wire secure messaging application (7.4 HIGH)
- CVE-2021-41094 — Wire is an open source secure messenger (4.2 MEDIUM)
- CVE-2021-41101 — wire-server is an open-source back end for Wire, a secure collaboration platform (5.7 MEDIUM)
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