CVE-2024-1709 (GCVE-0-2024-1709)
Vulnerability from cvelistv5 – Published: 2024-02-21 15:36 – Updated: 2025-10-21 23:05Title
Authentication bypass using an alternate path or channel
Summary
ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel
vulnerability, which may allow an attacker direct access to confidential information or
critical systems.
Severity
10 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-24 05:00 UTC
CWE
- CWE-288 - Authentication bypass using an alternate path or channel
References
11 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ConnectWise | ScreenConnect |
Affected:
0 , ≤ 23.9.7
(custom)
|
|
| connectwise | screenconnect |
Affected:
0 , ≤ 23.9.7
(custom)
cpe:2.3:a:connectwise:screenconnect:-:*:*:*:*:*:*:* |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 45d10046-9f63-4cb5-97c7-d280acd3486f
Exploited: Yes
Timestamps
First Seen: 2024-02-22
Asserted: 2024-02-22
Scope
Notes: ConnectWise ScreenConnect Authentication Bypass Vulnerability | Affected: ConnectWise / ScreenConnect | Description: 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-02-29 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8; https://nvd.nist.gov/vuln/detail/CVE-2024-1709
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-288 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | ScreenConnect |
| Due Date | 2024-02-29 |
| Date Added | 2024-02-22 |
| Vendorproject | ConnectWise |
| Vulnerabilityname | ConnectWise ScreenConnect Authentication Bypass Vulnerability |
| Knownransomwarecampaignuse | Known |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: d3ac6a6c-ad4b-4c45-81ce-8def3e4454cd
Exploited: Yes
Timestamps
First Seen: 2024-02-22
Asserted: 2024-02-22
Scope
Notes: Authentication bypass using an alternate path or channel | Affected: ConnectWise / ScreenConnect | CVSS: 10.0 (CRITICAL) | EPSS: 0.9998 | Used in malware: yes | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Confirmed Compromise
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | Authentication bypass using an alternate path or channel |
| Cve Id | CVE-2024-1709 |
| Vendor | ConnectWise |
| Ghsa Id | GHSA-CG3J-75XH-7FV3 |
| Product | ScreenConnect |
| Added Date | 2024-02-22T00:00:00.000Z |
| Cvss Score | 10.0 |
| Epss Score | 0.9998 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.99981 |
| Used In Malware | yes |
| Vulnerability Id | CVE-2024-1709 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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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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"versions": [
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"metrics": [
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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