Information disclosure in Wireapp Wire-server
CVE-2021-21396
wire-server is an open-source back end for Wire, a secure collaboration platform. In wire-server from version 2021-02-16 and before version 2021-03-02, the client metadata of all users was exposed in the `GET /users/list-clients` endpoint…
Vulnerability class: Information Disclosure
EPSS: 0.003 (55.1th percentile) — read the EPSS interpretation.
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:H/I:N/A:N.
Affected products
- Wireapp Wire-server — versions >= 2021-02-16, < 2021-03-02
Weakness classification (CWE)
References
- github.com/wireapp/wire-server/security/advisories/GHSA-qx8q-rhq2-rg4j (x_refsource_CONFIRM)
- github.com/wireapp/wire-server/releases/tag/v2021-03-02 (x_refsource_MISC)
- github.com/wireapp/wire-server/commit/7ba2bf4140282557cf215e0b2c354d4d08cd3421 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21396?
- CVE-2021-21396 is a medium-severity vulnerability in Wireapp Wire-server, classified under Information Disclosure. CVSS score: 6.5/10. Published 2021-03-26.
- How severe is CVE-2021-21396?
- Medium severity. CVSS v3 base score is 6.5 out of 10.