CVE-2024-1709: ConnectWise ScreenConnect Authentication Bypass Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 1 day after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 100%
EPSS score, percentile 100 of all scored records
- How severe?
- 10.0 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline . Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- 23.9.7 and earlier
Unaffected from 23.9.8
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: .
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
- https://nvd.nist.gov/vuln/detail/CVE-2024-1709
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 23.9.7 and earlier |
| Unaffected | from 23.9.8 |
Versions not listed are: unaffected.
Versions the record lists as unaffected: 23.9.8.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this vulnerability
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.
Summary: CISA's KEV catalog, as of .
- CISA added CVE-2024-1709 to its Known Exploited Vulnerabilities (KEV) catalog on 22 Feb 2024.
- CISA marks it as known to be used in ransomware campaigns.
- The due date CISA sets for the required action is 29 Feb 2024.
- The CVE record was published on 21 Feb 2024, 1 day before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 10.0 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 100% (percentile 100), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
Authentication bypass using an alternate path or channel
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
Weakness
- CWE-288: Authentication bypass using an alternate path or channel
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| Added to CISA KEV | |
| CISA due date for the required action | |
| CVE record last updated |
References
- connectwise.com
- huntress.com
- huntress.com
- bleepingcomputer.com
- github.com
- github.com
- horizon3.ai
- techcrunch.com
- securityweek.com
- huntress.com
More exploited ConnectWise vulnerabilities
- CVE-2026-84869: ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability
- CVE-2024-1708: ConnectWise ScreenConnect Path Traversal Vulnerability
- CVE-2025-3935: ConnectWise ScreenConnect Improper Authentication Vulnerability