How severe is CVE-2022-1333?

CVE-2022-1333 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2022-1333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1333?

CVE-2022-1333 affects Mattermost Playbooks. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-1333?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-1333 published?

CVE-2022-1333 was published on 2022-04-13 and last updated on 2026-06-17.

CVE-2022-1333

CVE-2022-1333 is a low-severity vulnerability in Mattermost Playbooks with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Mattermost Playbooks
Published: 2022-04-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-1333?: CVE-2022-1333 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2022-1333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1333?: CVE-2022-1333 affects Mattermost Playbooks. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-1333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-1333 published?: CVE-2022-1333 was published on 2022-04-13 and last updated on 2026-06-17.

References

https://mattermost.com/security-updates/

Affected products (1)

cpe:2.3:a:mattermost:playbooks:*:*:*:*:*:*:*:*

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