ConnectWise ScreenConnect Authentication Bypass 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.
- Vendor
- ConnectWise
- Product
- ScreenConnect
- CVSS
- 10.0
- EPSS (exploit probability)
- 100.0%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2024-1709 being exploited?
Yes. CISA added CVE-2024-1709 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild. CISA marks it as known to be used in ransomware campaigns.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 100.0% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by (7 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other ConnectWise ScreenConnect CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-84869 ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerabilitywrite-up | [ CRITICAL ] | 9.9 | 0.9% | |
| CVE-2024-1708 ConnectWise ScreenConnect Path Traversal Vulnerabilityransomware use | [ HIGH ] | 8.4 | 95.4% | |
| CVE-2025-3935 ConnectWise ScreenConnect Improper Authentication Vulnerability | [ HIGH ] | 8.1 | 3.5% |