CVE-2025-3935
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
3.4%
88.3th percentile
CISA KEV
Listed
Added 2025-06-02 · patch by 2025-06-23
Weakness / dates
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Published — · modified —
Timeline
- 2025-06-02 — Added to CISA KEV (actively exploited)
- 2025-06-23 — CISA patch-by deadline
Description
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.