CVE-2023-2792CWE-200

Ephemeral messages return private channel contents in permalink previews

Medium · published June 16, 2023

CVSS v3.1
6.5
EPSS
1%
Percentile
48.9
In the wild
Unconfirmed
What it is

Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00616 · 48.9th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2023-06-16T09:01Z
EPSS history
Timeline
  • 16 JUN 09:01Z
    Ephemeral messages return private channel contents in permalink previews
    cvelistv5