CVE-2025-3935· connectwise / screenconnect· CWE-287
ConnectWise ScreenConnect Improper Authentication Vulnerability
Exploited in the wild. Listed by CISA on 2025-06-02; known to be used by ransomware.
3.6%likelihood of exploitation, next 30 days
90%of all CVEs are less likely
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ConnectWise ScreenConnect contains an improper authentication vulnerability. This vulnerability could allow a ViewState code injection attack, which could allow remote code execution if machine keys are compromised.
No ready check is stored for this CVE. Confirm it by hand from the references.
References
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