SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-3593

Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.

MEDIUM 6.5EPSS 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

Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.61% probability · 47th percentile
CISA KEV
Not listed
Weakness
CWE-400
Affected
mattermost/mattermost server
Source
responsibledisclosure@mattermost.com

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