CVE-2025-3935

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2025-3935

Confirmed

Yes

2025-06-02 00:00 UTC

Timestamps

2025-06-02

2025-06-02

Scope

KEV entry: ConnectWise ScreenConnect Improper Authentication Vulnerability | Affected: ConnectWise / ScreenConnect | 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. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-06-23 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.connectwise.com/company/trust/security-bulletins/screenconnect-security-patch-2025.4 ; https://nvd.nist.gov/vuln/detail/CVE-2025-3935

References
  • {'id': 'CVE-2025-3935', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-3935'}

7a254802-84a6-4731-ba78-59c739c1439a

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-287"
  ],
  "date_added": "2025-06-02",
  "due_date": "2025-06-23",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "ScreenConnect",
  "vendorProject": "ConnectWise",
  "vulnerabilityName": "ConnectWise ScreenConnect Improper Authentication Vulnerability"
}
 -
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