Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-04-24. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-05-01. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
CrushFTP / CrushFTP
Default status: affected
- affected: 10.0 to < 10.7.1 (semver)
- affected: 11.0 to < 11.1.0 (semver)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update
- https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update
- https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/
- https://www.bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately/
- https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awareness_20240419_crushftp_virtual/
- https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-compromise/
- https://github.com/airbus-cert/CVE-2024-4040
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4040
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.99539,
"percentile": 0.99946
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.99539,
"percentile": 0.99946
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.99539,
"percentile": 0.99946
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.99539,
"percentile": 0.99946
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.99539,
"percentile": 0.99946
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.99539,
"percentile": 0.99946
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.99539,
"percentile": 0.99946
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.99539,
"percentile": 0.99946
}04 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:crushftp:crushftp:10.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "crushftp",
"vendor": "crushftp",
"versions": [
{
"lessThan": "10.7.1",
"status": "affected",
"version": "10.0",
"versionType": "semver"
}
]
},
{
"cpes": [
"cpe:2.3:a:crushftp:crushftp:11.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "crushftp",
"vendor": "crushftp",
"versions": [
{
"lessThan": "11.1.0",
"status": "affected",
"version": "11.0",
"versionType": "semver"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-4040",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-04T16:21:32.066730Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-04-24",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4040"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:05:20.925Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4040"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-04-24T00:00:00.000Z",
"value": "CVE-2024-4040 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-01T20:26:57.283Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update"
},
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update"
},
{
"tags": [
"related",
"x_transferred"
],
"url": "https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/"
},
{
"tags": [
"media-coverage",
"x_transferred"
],
"url": "https://www.bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately/"
},
{
"tags": [
"third-party-advisory",
"x_transferred"
],
"url": "https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awareness_20240419_crushftp_virtual/"
},
{
"tags": [
"third-party-advisory",
"x_transferred"
],
"url": "https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-compromise/"
},
{
"tags": [
"exploit",
"x_transferred"
],
"url": "https://github.com/airbus-cert/CVE-2024-4040"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://www.crushftp.com/download.html",
"defaultStatus": "affected",
"product": "CrushFTP",
"vendor": "CrushFTP",
"versions": [
{
"lessThan": "10.7.1",
"status": "affected",
"version": "10.0",
"versionType": "semver"
},
{
"lessThan": "11.1.0",
"status": "affected",
"version": "11.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Simon Garrelou, of Airbus CERT"
}
],
"datePublic": "2024-04-18T14:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "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.<br>"
}
],
"value": "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."
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "Arbitrary File Read"
}
]
},
{
"capecId": "CAPEC-115",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-115 Authentication Bypass"
}
]
},
{
"capecId": "CAPEC-253",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-253 Remote Code Inclusion"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1336",
"description": "CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-04-23T22:25:06.873Z",
"orgId": "430a6cef-dc26-47e3-9fa8-52fb7f19644e",
"shortName": "directcyber"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://www.crushftp.com/crush10wiki/Wiki.jsp?page=Update"
},
{
"tags": [
"related"
],
"url": "https://www.reddit.com/r/cybersecurity/comments/1c850i2/all_versions_of_crush_ftp_are_vulnerable/"
},
{
"tags": [
"media-coverage"
],
"url": "https://www.bleepingcomputer.com/news/security/crushftp-warns-users-to-patch-exploited-zero-day-immediately/"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://www.reddit.com/r/crowdstrike/comments/1c88788/situational_awareness_20240419_crushftp_virtual/"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://www.rapid7.com/blog/post/2024/04/23/etr-unauthenticated-crushftp-zero-day-enables-complete-server-compromise/"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/airbus-cert/CVE-2024-4040"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Unauthenticated arbitrary file read and remote code execution in CrushFTP",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "430a6cef-dc26-47e3-9fa8-52fb7f19644e",
"assignerShortName": "directcyber",
"cveId": "CVE-2024-4040",
"datePublished": "2024-04-22T19:21:46.408Z",
"dateReserved": "2024-04-22T19:08:08.183Z",
"dateUpdated": "2025-10-21T23:05:20.925Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.99539,
"percentile": 0.99946
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.99539,
"percentile": 0.99946
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2024-4040",
"cwes": [
"CWE-1336"
],
"dateAdded": "2024-04-24",
"dueDate": "2024-05-01",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://www.crushftp.com/crush11wiki/Wiki.jsp?page=Update&version=34; https://nvd.nist.gov/vuln/detail/CVE-2024-4040",
"product": "CrushFTP",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "CrushFTP contains an unspecified sandbox escape vulnerability that allows a remote attacker to escape the CrushFTP virtual file system (VFS).",
"vendorProject": "CrushFTP",
"vulnerabilityName": "CrushFTP VFS Sandbox Escape Vulnerability"
}