Is CVE-2025-58084 in the CISA KEV catalog?

No. CVE-2025-58084 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-58084?

CVE-2025-58084 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2025-58084?

CVE-2025-58084 has an EPSS score of 0.27% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-58084?

Upgrade Mattermost to 5.13.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2025-58084

LOW

3.5

CVSS v3

NVD

Description

Mattermost Desktop App versions <= 5.13.0 fail to validate URLs external to the configured Mattermost servers, allowing an attacker on a server the user has configured to crash the user's application by sending the user a malformed URL.

CWE-1287Improper Validation of Specified Type of Input

How to fix

Remediation Available

MattermostWindows application

Affected:5.13.1.0Fixed in:5.13.1.0Mattermost, Inc.

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Vendor Advisory1

mattermost.com

Related Vulnerabilities

Other CWE-1287 (Improper Validation of Specified Type of Input) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-4879	Critical	9.8	100%	KEV	-
CVE-2022-31007	Medium	4.9	26%	-	Fix
CVE-2024-6298	Critical	10.0	19%	-	-
CVE-2026-25639	High	7.5	2.6%	-	Fix
CVE-2021-43802	Critical	9.9	2.0%	-	Fix
CVE-2024-51550	Critical	10.0	1.8%	-	Fix

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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 2025-10-29.