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MEDIUM · 6.5

CVE-2023-5196

Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal q...

Vulnerability Description

Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
MattermostMattermost>= 7.0.0, < 7.8.10

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2023-5196?

CVE-2023-5196 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal q...

How severe is CVE-2023-5196?

CVE-2023-5196 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-5196?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost.