CVE-2018-21259

MEDIUM · CVSS 5.3 EPSS 1.10%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-06-19 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2018-21259

Severity

MEDIUM

CVSS

5.3

EPSS

1.10%

Original NVD Description

An issue was discovered in Mattermost Server before 4.10.1, 4.9.4, and 4.8.2. It allows attackers to cause a denial of service (application hang) via a malformed link in a channel.