Is CVE-2025-6233 in the CISA KEV catalog?

No. CVE-2025-6233 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-6233?

CVE-2025-6233 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2025-6233?

CVE-2025-6233 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-6233?

Upgrade mattermost server to 10.8.2 or later.

CVE & CISA-KEV Catalog

CVE-2025-6233

MEDIUM

6.8

CVSS v3

NVD

Description

Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.

CWE-22Path Traversal

How to fix

Remediation Available

mattermost serverNVD

Affected:>= 10.8.0, < 10.8.2Fixed in:10.8.2CVE-2025-6233derived 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 RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Vendor Advisory1

mattermost.com

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

Embed a live status badge for CVE-2025-6233

Markdown

[![CVE-2025-6233](https://tridentstack.com/cve/badge/CVE-2025-6233.svg)](https://tridentstack.com/cve/CVE-2025-6233)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-6233"><img src="https://tridentstack.com/cve/badge/CVE-2025-6233.svg" alt="CVE-2025-6233"></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 2025-10-02.