SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-49607

Mattermost fails to validate the type of the "reminder" body request parameter allowing an attacker to crash the Playbook Plugin when updating the status dialog.

HIGH 7.5EPSS 0.65%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Mattermost fails to validate the type of the "reminder" body request parameter allowing an attacker to crash the Playbook Plugin when updating the status dialog.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.65% probability · 49th percentile
CISA KEV
Not listed
Weakness
CWE-754
Affected
mattermost/mattermost server
Source
responsibledisclosure@mattermost.com

References

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