{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-14265","assignerOrgId":"7d616e1a-3288-43b1-a0dd-0a65d3e70a49","state":"PUBLISHED","assignerShortName":"ConnectWise","dateReserved":"2025-12-08T12:25:20.291Z","datePublished":"2025-12-11T14:21:53.234Z","dateUpdated":"2026-02-26T16:21:03.963Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["Web Application Server"],"product":"ScreenConnect","vendor":"ConnectWise","versions":[{"status":"affected","version":"All versions prior to 2025.8"}]}],"credits":[{"lang":"en","type":"finder","value":"Paul Whiting (Ultraviolet Cyber)"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"In versions of ScreenConnect™ prior to 25.8, server-side validation and integrity checks within the extension subsystem could allow the installation and execution of untrusted or arbitrary extensions by authorized or administrative users. Abuse of this behavior could result in the execution of custom code on the server or unauthorized access to application configuration data. This issue affects only the ScreenConnect server component; host and guest clients are not impacted. ScreenConnect 25.8 introduces enhanced server-side configuration handling and integrity checks to ensure only trusted extensions can be installed.
"}],"value":"In versions of ScreenConnect™ prior to 25.8, server-side validation and integrity checks within the extension subsystem could allow the installation and execution of untrusted or arbitrary extensions by authorized or administrative users. Abuse of this behavior could result in the execution of custom code on the server or unauthorized access to application configuration data. This issue affects only the ScreenConnect server component; host and guest clients are not impacted. ScreenConnect 25.8 introduces enhanced server-side configuration handling and integrity checks to ensure only trusted extensions can be installed."}],"impacts":[{"capecId":"CAPEC-137","descriptions":[{"lang":"en","value":"CAPEC-137 Parameter Injection"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-494","description":"CWE-494 Download of Code Without Integrity Check","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"7d616e1a-3288-43b1-a0dd-0a65d3e70a49","shortName":"ConnectWise","dateUpdated":"2025-12-11T21:19:13.087Z"},"references":[{"url":"https://www.connectwise.com/company/trust/security-bulletins/screenconnect-2025.8-security-patch"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

Cloud: No action is required. ScreenConnect servers hosted in\n“screenconnect.com” cloud (standalone and Automate/RMM integrated) or\n“hostedrmm.com” for Automate partners have been updated to remediate the\nissue.   

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On-prem:

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"}],"value":"Cloud: No action is required. ScreenConnect servers hosted in\n“screenconnect.com” cloud (standalone and Automate/RMM integrated) or\n“hostedrmm.com” for Automate partners have been updated to remediate the\nissue.   \n\n\n\n\n\n\n\nOn-prem:\n\n\n\n\n\n * ScreenConnect Partners: Please upgrade to ScreenConnect version 25.8 and update\nyour guest clients to the same version. Visit Download\n| ScreenConnect page to download and apply the update (access\nrequires a valid on-premises license). \n * Automate On-Prem Partners with\nScreenConnect Integration: \n\nPartners using an on-premises ScreenConnect installation integrated with Automate must ensure that the Automate ScreenConnect Extension is updated to version 4.4.0.16 before upgrading the ScreenConnect server to version 25.8. Once confirmed, visit the \n\n Automate Product Updates https://docs.connectwise.com/ConnectWise_Automate_Documentation/Automate_Product_Updates \n\n page to download and apply the ScreenConnect 25.8 update."}],"source":{"discovery":"UNKNOWN"},"title":"Improper server-side validation in ScreenConnect extension framework","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-14265","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-12-12T04:55:51.377077Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-26T16:21:03.963Z"}}]}}