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NVD / CVE Program· CNA directcyber

CVE-2024-4040: Unauthenticated arbitrary file read and remote code execution in CrushFTP

CriticalCVSS 10.0 · v3.1KEVWeaponized Fix available

Noroxi assessment

Priority: Now (action score 100/100)

  • CISA has confirmed exploitation in the wild (Apr 24, 2024). Remediation deadline for US federal agencies: May 1, 2024.
  • A ready-made attack module is public (Metasploit, Nuclei); exploiting it takes no special expertise.
  • Probability of exploitation in the next 30 days: 99.5% (FIRST EPSS); higher than 99.9% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to CISA the attack is automatable: targets can be found by mass scanning.
  • Fixed version: CrushFTP CrushFTP 10.7.1, 11.1.0.

Patch today or shut off access. Upgrade to CrushFTP CrushFTP 10.7.1, 11.1.0 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

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.

Published
Apr 22, 2024
Updated
Jun 17, 2026
EPSS
99.5% · 99th percentile

Report tools

JSON

Action score

100

Now

Patch today or shut off access.

CVSS
40 / 40 · 10.0 / 10
CISA KEV
30 / 30 · Listed
EPSS
30 / 30 · 99.5%

CISA SSVC decision

Exploitation
active
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
10.0
CNA · directcyber
9.8
0.2 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Apr 24, 2024. That signals real attacks, not theory.

Remediation deadline for US federal agencies: May 1, 2024.

Get told when this record changes

  • In CISA KEV: exploitation in the wild confirmed
  • Weaponized exploit exists
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2024-4040

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
crushftpcrushftp

Versions reported by the vendor

Affected version ranges reported by the assigning authority (directcyber). Independent of NVD's CPE analysis and usually ahead of it.

  • CrushFTP CrushFTP

    • 10.0 and later · before 10.7.1affected · semver
    • 11.0 and later · before 11.1.0affected · semver

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • crushftp crushftp10.0.0 and later · before 10.7.1
  • crushftp crushftp11.0.0 and later · before 11.1.0

Same product

crushftp: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-31161CrushFTP 10 before 10.8.4 and 11 before 11.3.1 allows authentication bypass and takeover of the crushadmin account (unless a DMZ proxy…KEV
    99Now
  • CVE-2025-54309CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently…KEV
    97Now
  • CVE-2023-43177CrushFTP prior to 10.5.1 is vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes.
    64This week

Published before and after this one in the same product

  • ← EarlierCVE-2018-18288Dec 25, 2019 · CrushFTP through 8.3.0 is vulnerable to credentials theft via URL redirection.
    24Monitor
  • ← EarlierCVE-2021-44076Sep 15, 2022 · An issue was discovered in CrushFTP 9.
    19Monitor
  • Later →CVE-2024-22910May 14, 2024 · Cross Site Scripting (XSS) vulnerability in CrushFTP v.10.6.0 and v.10.5.5 allows an attacker to execute arbitrary code via a crafted…
    24Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
CrushFTP CrushFTP10.7.1Vendor (CNA)
CrushFTP CrushFTP11.1.0Vendor (CNA)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Nuclei detection template ×1
  • Proof-of-concept repository on GitHub ×19

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Proof-of-concept repository on GitHub19 repositories2024-04-23 → 2026-05-08
Metasploit moduleauxiliary/gather/crushftp_fileread_cve_2024_4040CrushFTP Unauthenticated Arbitrary File Readauxiliary—
Nuclei detection templateNuclei template CVE-2024-4040 —

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoCsame day
  3. CISA KEV+1 d
  4. TodayNov 14, 2026+935 d

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Not on record for this CVE: EPSS history · patch commit or PR link · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-1336 · Improper Neutralization of Special Elements Used in a Template Engine

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

References

Show all references (5 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records