How severe is CVE-2022-1003?

CVE-2022-1003 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-1003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1003?

CVE-2022-1003 affects Mattermost. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-1003?

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

When was CVE-2022-1003 published?

CVE-2022-1003 was published on 2022-03-18 and last updated on 2026-06-17.

CVE-2022-1003

CVE-2022-1003 is a low-severity vulnerability in Mattermost with a CVSS 3.x base score of 3.3. 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-269.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 4.0
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Mattermost
Published: 2022-03-18
Last modified: 2026-06-17

Description

One of the API in Mattermost version 6.3.0 and earlier fails to properly protect the permissions, which allows the system administrators to combine the two distinct privileges/capabilities in a way that allows them to override certain restricted configurations like EnableUploads.

Frequently asked questions

What is CVE-2022-1003?: One of the API in Mattermost version 6.3.0 and earlier fails to properly protect the permissions, which allows the system administrators to combine the two distinct privileges/capabilities in a way that allows them to override certain restricted configurations like EnableUploads.
How severe is CVE-2022-1003?: CVE-2022-1003 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-1003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1003?: CVE-2022-1003 affects Mattermost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-1003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-1003 published?: CVE-2022-1003 was published on 2022-03-18 and last updated on 2026-06-17.

References

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

Affected products (1)

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

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