What is CVE-2021-41119?

CVE-2021-41119 is a medium-severity vulnerability in Wireapp Wire-server, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-04-13.

How severe is CVE-2021-41119?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Wireapp Wire-server

CVE-2021-41119

Wire-server is the system server for the wire back-end services. Releases prior to v2022-03-01 are subject to a denial of service attack via a crafted object causing a hash collision. This collision causes the server to spend at least quad…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (65.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Wireapp Wire-server — versions < v2022-03-01

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

github.com/wireapp/wire-server/security/advisories/GHSA-phxv-pffh-fq2r (x_refsource_CONFIRM)
cs-syd.eu/posts/2021-09-11-json-vulnerability (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-41119?: CVE-2021-41119 is a medium-severity vulnerability in Wireapp Wire-server, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-04-13.
How severe is CVE-2021-41119?: Medium severity. CVSS v3 base score is 5.3 out of 10.