Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-02-22. Ransomware campaign use: Known.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-02-29. 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
ConnectWise / ScreenConnect
Default status: unaffected
- affected: 0 to ≤ 23.9.7 (custom)
- At 23.9.8: unaffected
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.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
- https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8
- https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2
- https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/
- https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc
- https://github.com/rapid7/metasploit-framework/pull/18870
- https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/
- https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/
- https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/
- https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1709
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": 0.99983,
"percentile": 0.99982
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.9998,
"percentile": 0.9998
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.9998,
"percentile": 0.9998
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.9998,
"percentile": 0.9998
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.9998,
"percentile": 0.9998
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.9998,
"percentile": 0.9998
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.9998,
"percentile": 0.9998
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.9998,
"percentile": 0.9998
}04 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
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"cpe:2.3:a:connectwise:screenconnect:-:*:*:*:*:*:*:*"
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}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-1709",
"options": [
{
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},
{
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},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-24T05:00:21.568850Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-02-22",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1709"
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],
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"time": "2024-02-22T00:00:00.000Z",
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],
"url": "https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8"
},
{
"tags": [
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],
"url": "https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8"
},
{
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],
"url": "https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2"
},
{
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"url": "https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/"
},
{
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],
"url": "https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc"
},
{
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],
"url": "https://github.com/rapid7/metasploit-framework/pull/18870"
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"url": "https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/"
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"url": "https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass"
}
],
"title": "CVE Program Container"
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],
"cna": {
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"product": "ScreenConnect",
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"versions": [
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],
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"status": "affected",
"version": "0",
"versionType": "custom"
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}
],
"descriptions": [
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"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel\n\n vulnerability, which may allow an attacker direct access to confidential information or \n\n<span style=\"background-color: rgb(255, 255, 255);\">critical systems.</span>"
}
],
"value": "ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel\n\n vulnerability, which may allow an attacker direct access to confidential information or \n\ncritical systems."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 10,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
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"value": "GENERAL"
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],
"problemTypes": [
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{
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"description": "CWE-288 Authentication bypass using an alternate path or channel",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-02-21T18:25:45.687Z",
"orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
"shortName": "cisa-cg"
},
"references": [
{
"url": "https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8"
},
{
"url": "https://www.huntress.com/blog/vulnerability-reproduced-immediately-patch-screenconnect-23-9-8"
},
{
"url": "https://www.huntress.com/blog/detection-guidance-for-connectwise-cwe-288-2"
},
{
"url": "https://www.bleepingcomputer.com/news/security/connectwise-urges-screenconnect-admins-to-patch-critical-rce-flaw/"
},
{
"url": "https://github.com/watchtowrlabs/connectwise-screenconnect_auth-bypass-add-user-poc"
},
{
"url": "https://github.com/rapid7/metasploit-framework/pull/18870"
},
{
"url": "https://www.horizon3.ai/attack-research/red-team/connectwise-screenconnect-auth-bypass-deep-dive/"
},
{
"url": "https://techcrunch.com/2024/02/21/researchers-warn-high-risk-connectwise-flaw-under-attack-is-embarrassingly-easy-to-exploit/"
},
{
"url": "https://www.securityweek.com/connectwise-confirms-screenconnect-flaw-under-active-exploitation/"
},
{
"url": "https://www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Authentication bypass using an alternate path or channel",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
"assignerShortName": "cisa-cg",
"cveId": "CVE-2024-1709",
"datePublished": "2024-02-21T15:36:03.960Z",
"dateReserved": "2024-02-21T15:05:07.113Z",
"dateUpdated": "2025-10-21T23:05:24.008Z",
"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": 0.9998,
"percentile": 0.9998
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.9998,
"percentile": 0.9998
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2024-1709",
"cwes": [
"CWE-288"
],
"dateAdded": "2024-02-22",
"dueDate": "2024-02-29",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8; https://nvd.nist.gov/vuln/detail/CVE-2024-1709",
"product": "ScreenConnect",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "ConnectWise ScreenConnect contains an authentication bypass vulnerability that allows an attacker with network access to the management interface to create a new, administrator-level account on affected devices.",
"vendorProject": "ConnectWise",
"vulnerabilityName": "ConnectWise ScreenConnect Authentication Bypass Vulnerability"
}