Resource exhaustion in Mattermost

CVE-2024-22091

Mattermost versions 8.1.x <= 8.1.10, 9.6.x <= 9.6.0, 9.5.x <= 9.5.2 and 8.1.x <= 8.1.11 fail to limit the size of a request path that includes user inputs which allows an attacker to cause excessive resource consumption, possibly leading to a DoS via sending large request paths

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (42.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-22091?
CVE-2024-22091 is a low-severity vulnerability in Mattermost, classified under Uncontrolled Resource Consumption. CVSS score: 3.1/10. Published 2024-04-26.
How severe is CVE-2024-22091?
Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2024-22091 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.