SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-21254

An attacker can bypass intended access control (for direct-message channel creation) via the Message slash command.

MEDIUM 4.3EPSS 0.61%

Does this matter?

Lower severity and a low EPSS score (0.61%). Track it; it rarely justifies an emergency change on its own.

Description

An issue was discovered in Mattermost Server before 5.1. An attacker can bypass intended access control (for direct-message channel creation) via the Message slash command.

CVSS 3.1
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
0.61% probability · 48th percentile
CISA KEV
Not listed
Weakness
CWE-732
Affected
mattermost/mattermost server
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.