PT-2020-8445 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2020-06-26 · CVE-2017-18899

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions prior to 4.2.0 Mattermost Server version 4.1.1 Mattermost Server version 4.0.5

Description: The issue concerns the mishandling of IP-based rate limiting, which could potentially lead to exploitation.

Recommendations: For versions prior to 4.2.0, update to version 4.2.0 or later. For version 4.1.1, update to version 4.2.0 or later. For version 4.0.5, update to version 4.2.0 or later.

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2017-18899

Affected Products

Mattermost Server

References · 3

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-18899 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18899 · Security Note