What is CVE-2021-41100?

CVE-2021-41100 is a high-severity vulnerability in Wireapp Wire-server, classified under Improper Authorization. CVSS score: 7.4/10. Published 2021-10-04.

How severe is CVE-2021-41100?

High severity. CVSS v3 base score is 7.4 out of 10.

Auth bypass in Wireapp Wire-server

CVE-2021-41100

Wire-server is the backing server for the open source wire secure messaging application. In affected versions it is possible to trigger email address change of a user with only the short-lived session token in the `Authorization` header. A…

EPSS: 0.003 (53.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Wireapp Wire-server — versions < 2021-08-16

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

github.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333m (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-41100?: CVE-2021-41100 is a high-severity vulnerability in Wireapp Wire-server, classified under Improper Authorization. CVSS score: 7.4/10. Published 2021-10-04.
How severe is CVE-2021-41100?: High severity. CVSS v3 base score is 7.4 out of 10.