Is CVE-2024-4040 in the CISA KEV catalog?

Yes. CVE-2024-4040 is on the CISA Known Exploited Vulnerabilities list, added 2024-04-24.

What is the CVSS severity of CVE-2024-4040?

CVE-2024-4040 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2024-4040?

CVE-2024-4040 has an EPSS score of 99.54% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-4040?

Upgrade crushftp to 11.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2024-4040

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

A server side template injection vulnerability in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows unauthenticated remote attackers to read files from the filesystem outside of the VFS Sandbox, bypass authentication to gain administrative access, and perform remote code execution on the server.

CWE-1336 CWE-94Code Injection

How to fix

Remediation Available

crushftpNVD

Affected:>= 11.0.0, < 11.1.0Fixed in:11.1.0CVE-2024-4040derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

99.54%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

CrushFTP VFS Sandbox Escape Vulnerability

CrushFTP contains an unspecified sandbox escape vulnerability that allows a remote attacker to escape the CrushFTP virtual file system (VFS).

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remediation due: 2024-05-01

References

Patch3

Exploit2

Third-Party Advisory2

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-1336 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23692	Critical	9.8	99%	KEV	-
CVE-2025-47916	Critical	10.0	85%	-	Fix
CVE-2024-32651	Critical	10.0	84%	-	-
CVE-2022-25813	High	7.5	67%	-	Fix
CVE-2025-34300	Unscored	-	49%	-	-
CVE-2024-24724	Critical	9.8	26%	-	-

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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 2026-02-26.