What is CVE-2022-1333?

CVE-2022-1333 is a low-severity vulnerability in Mattermost Playbooks, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.5/10. Published 2022-04-13.

How severe is CVE-2022-1333?

Low severity. CVSS v3 base score is 3.5 out of 10.

Resource exhaustion in Mattermost Playbooks

CVE-2022-1333

Mattermost Playbooks plugin v1.24.0 and earlier fails to properly check the limit on the number of webhooks, which allows authenticated and authorized users to create a specifically drafted Playbook which could trigger a large amount of webhook requests leading to Denial of Service.

Published 2022-04-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.007 (52.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Mattermost Playbooks — versions Playbooks
Mattermost Playbooks

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

mattermost.com/security-updates/ (Vendor Advisory)

Frequently asked questions

What is CVE-2022-1333?: CVE-2022-1333 is a low-severity vulnerability in Mattermost Playbooks, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.5/10. Published 2022-04-13.
How severe is CVE-2022-1333?: Low severity. CVSS v3 base score is 3.5 out of 10.