Is CVE-2025-62801 in the CISA KEV catalog?

No. CVE-2025-62801 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-62801?

CVE-2025-62801 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2025-62801?

CVE-2025-62801 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-62801?

Upgrade fastmcp to 2.13.0 or later.

CVE & CISA-KEV Catalog

CVE-2025-62801

HIGH

7.8

CVSS v3

NVD

Description

FastMCP is the standard framework for building MCP applications. Versions prior to 2.13.0, a command-injection vulnerability lets any attacker who can influence the server_name field of an MCP execute arbitrary OS commands on Windows hosts that run fastmcp install cursor. This vulnerability is fixed in 2.13.0.

CWE-78OS Command Injection

How to fix

Remediation Available

fastmcpNVD

Affected:< 2.13.0Fixed in:2.13.0CVE-2025-62801derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	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 2025-11-04.