CVE-2022-3257

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 65.0% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-09-23 14:13Z3 YR AGO

Last updated

2024-12-06 23:07Z1 YR AGO

Reserved

2022-09-21

Assigning CNA

Mattermost

Record state

PUBLISHED

Severity

Low (CVSS 3.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass
• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

0dd2de40ded4d99ac3d32aea10f00c7770ea9443a1313aeb805f65f183fd336b

• mattermost.comhttps://mattermost.com/security-updates/x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/1620170x_refsource_MISC