Is CVE-2024-4182 in the CISA KEV catalog?

No. CVE-2024-4182 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-4182?

CVE-2024-4182 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2024-4182?

CVE-2024-4182 has an EPSS score of 0.55% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-4182?

Upgrade mattermost server to 9.6.1 or later.

CVE & CISA-KEV Catalog

CVE-2024-4182

MEDIUM

4.3

CVSS v3

NVD

Description

Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.

CWE-754

How to fix

Remediation Available

mattermost serverNVD

Affected:>= 9.6.0, < 9.6.1Fixed in:9.6.1CVE-2024-4182derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.55%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Vendor Advisory1

mattermost.com

Related Vulnerabilities

Other CWE-754 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-4367	High	8.8	73%	-	Fix
CVE-2022-39288	High	7.5	59%	-	Fix
CVE-2023-30591	High	7.5	54%	-	-
CVE-2023-41993	High	8.8	29%	KEV	Fix
CVE-2024-43044	High	8.8	29%	-	Fix
CVE-2024-3393	High	7.5	27%	KEV	Fix

Embed a live status badge for CVE-2024-4182

Markdown

[![CVE-2024-4182](https://tridentstack.com/cve/badge/CVE-2024-4182.svg)](https://tridentstack.com/cve/CVE-2024-4182)

HTML

<a href="https://tridentstack.com/cve/CVE-2024-4182"><img src="https://tridentstack.com/cve/badge/CVE-2024-4182.svg" alt="CVE-2024-4182"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-12.