What is CVE-2017-18871?

CVE-2017-18871 is a high-severity vulnerability in Mattermost Server. CVSS score: 7.5/10. Published 2020-06-19.

How severe is CVE-2017-18871?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Mattermost Server

CVE-2017-18871

An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.

EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mattermost Mattermost_server — versions 4.5.0
N/a — versions n/a

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2017-18871?: CVE-2017-18871 is a high-severity vulnerability in Mattermost Server. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2017-18871?: High severity. CVSS v3 base score is 7.5 out of 10.