Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-21259

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.

Published

2020-06-19T17:15:12.850

Last Modified

2024-11-21T04:03:18.620

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mattermost mattermost_server < 4.8.2 Yes
Application mattermost mattermost_server < 4.9.4 Yes
Application mattermost mattermost_server < 4.10.1 Yes
References