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4 vulnerabilities found for by ConnectWise

CVE-2025-14265 (GCVE-0-2025-14265)
Vulnerability from cvelistv5
Published
2025-12-11 14:21
Modified
2025-12-12 04:55
Severity ?
CWE
  • CWE-494 - Download of Code Without Integrity Check
Summary
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.
Impacted products
Vendor Product Version
ConnectWise ScreenConnect Version: All versions prior to 2025.8
Create a notification for this product.
Show details on NVD website


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              "value": "\u003cbr\u003e\u003cp\u003e\u003cb\u003eCloud:\u0026nbsp;\u003c/b\u003eNo action is required. ScreenConnect servers hosted in\n\u201cscreenconnect.com\u201d cloud (standalone and Automate/RMM integrated) or\n\u201chostedrmm.com\u201d for Automate partners have been updated to remediate the\nissue.\u202f\u0026nbsp;\u0026nbsp;\u003c/p\u003e\n\n\n\n\n\n\u003cp\u003e\u003cb\u003eOn-prem:\u003c/b\u003e\u003c/p\u003e\n\n\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003ca target=\"_blank\" rel=\"nofollow\"\u003e\u003cb\u003eScreenConnect\u003c/b\u003e \u003cb\u003ePartners:\u0026nbsp;\u003c/b\u003e\u003c/a\u003ePlease upgrade to ScreenConnect version 25.8 and update\nyour guest clients to the same version. Visit \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://order.screenconnect.com/Create-Order\"\u003eDownload\n| ScreenConnect\u003c/a\u003e page to download and apply the update \u003ci\u003e(access\nrequires a valid on-premises license)\u003c/i\u003e.\u0026nbsp;\u003c/li\u003e\u003cli\u003e\u003ca target=\"_blank\" rel=\"nofollow\"\u003e\u003cb\u003eAutomate On-Prem Partners with\nScreenConnect Integration\u003c/b\u003e:\u0026nbsp;\u003c/a\u003e\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\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.connectwise.com/ConnectWise_Automate_Documentation/Automate_Product_Updates\"\u003eAutomate Product Updates\u003c/a\u003e \n\n page to download and apply the ScreenConnect 25.8 update.\u003cbr\u003e\u003c/li\u003e\u003c/ul\u003e\u003ca target=\"_blank\" rel=\"nofollow\"\u003e\u003c/a\u003e\u003cp\u003e\u003c/p\u003e\n\n\n\n\n\n\n\n\n\n\u003cdiv\u003e\n\n\n\n\n\n\u003cdiv\u003e\n\n\n\n\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\u003c/div\u003e\u003c/div\u003e"
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CVE-2025-3935 (GCVE-0-2025-3935)
Vulnerability from cvelistv5
Published
2025-04-25 18:27
Modified
2025-10-21 22:55
CWE
  • CWE-502 - Deserialization of Untrusted Data
Summary
ScreenConnect versions 25.2.3 and earlier versions may be susceptible to a ViewState code injection attack. ASP.NET Web Forms use ViewState to preserve page and control state, with data encoded using Base64 protected by machine keys.  It is important to note that to obtain these machine keys, privileged system level access must be obtained. If these machine keys are compromised, attackers could create and send a malicious ViewState to the website, potentially leading to remote code execution on the server.  The risk does not originate from a vulnerability introduced by ScreenConnect, but from platform level behavior.  This had no direct impact to ScreenConnect Client. ScreenConnect 2025.4 patch disables ViewState and removes any dependency on it.
Impacted products
Show details on NVD website


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CVE-2024-1709 (GCVE-0-2024-1709)
Vulnerability from cvelistv5
Published
2024-02-21 15:36
Modified
2025-10-21 23:05
Severity ?
CWE
  • CWE-288 - Authentication bypass using an alternate path or channel
Summary
ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or Channel vulnerability, which may allow an attacker direct access to confidential information or critical systems.
Impacted products
Show details on NVD website


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CVE-2017-18362 (GCVE-0-2017-18362)
Vulnerability from cvelistv5
Published
2019-02-05 05:00
Modified
2025-10-21 23:45
Severity ?
CWE
  • n/a
Summary
ConnectWise ManagedITSync integration through 2017 for Kaseya VSA is vulnerable to unauthenticated remote commands that allow full direct access to the Kaseya VSA database. In February 2019, attackers have actively exploited this in the wild to download and execute ransomware payloads on all endpoints managed by the VSA server. If the ManagedIT.asmx page is available via the Kaseya VSA web interface, anyone with access to the page is able to run arbitrary SQL queries, both read and write, without authentication.
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website


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