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Vulnerability record · CVE-2025-14823 · published 18 December 2025

CVE-2025-14823: Connectwise screenconnect vulnerability

Connectwise · Screenconnect

In deployments using the ScreenConnect™ Certificate Signing Extension, encrypted configuration values including an Azure Key Vault-related key, could be returned to unauthenticated users through a client-facing endpoint under certain conditions. The values remained encrypted and securely stored at rest; however, an encrypted representation could be exposed in client responses. Updating the Certificate Signing Extension to version 1.0.12 or higher ensures configuration handling occurs exclusively on the server side, preventing encrypted values from being transmitted to or rendered by client-side components.

5.3 CVSS 3.1 Medium EPSS 0.15% · top 96.3% CWE-201 · CWE-201
5.3CVSS 3.1 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

In deployments using the ScreenConnect™ Certificate Signing Extension, encrypted configuration values including an Azure Key Vault-related key, could be returned to unauthenticated users through a client-facing endpoint under certain conditions. The values remained encrypted and securely stored at rest; however, an encrypted representation could be exposed in client responses. Updating the Certificate Signing Extension to version 1.0.12 or higher ensures configuration handling occurs exclusively on the server side, preventing encrypted values from being transmitted to or rendered by client-side components.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.connectwise.com/company/trust/security-bulletins/2025-12-18-screenconnect-certificate-signing-extension-upda Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2024-1709ConnectWise ScreenConnect authentication bypass via alternate pathConnectWise ScreenConnect 23.9.7 and earlier contain an authentication bypass (CWE-288) that lets an unauthenticated attacker reach protected functio…KEVEPSS 100%analysed9.9CVE-2026-84869ScreenConnect client allows unauthorized file transfer and execution in remote sessionsA flaw in the ConnectWise ScreenConnect client lets files be transferred and executed inside an active remote session without authorization or Host c…KEVEPSS 0.92%analysed8.4CVE-2024-1708ConnectWise ScreenConnect path traversal enabling remote code executionConnectWise ScreenConnect 23.9.7 and earlier contain a path-traversal flaw (CWE-22) that can let an attacker execute remote code or reach confidentia…KEVEPSS 95%analysed7.2CVE-2025-3935ScreenConnect ViewState code injection enables RCEScreenConnect 25.2.3 and earlier rely on ASP.NET ViewState protected by machine keys, and if those keys are compromised an attacker can craft a malic…KEVEPSS 3.5%analysed9.1CVE-2025-14265Connectwise screenconnect download of code without integrity check vulnerabilityIn versions of ScreenConnect™ prior to 25.8, server-side validation and integrity checks within the extension subsystem could allow the installation …EPSS 0.37%8.1CVE-2023-47257Connectwise automate code injection vulnerabilityConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via crafted messages.EPSS 1.0%5.5CVE-2023-47256Connectwise automate improper authentication vulnerabilityConnectWise ScreenConnect through 23.8.4 allows local users to connect to arbitrary relay servers via implicit trust of proxy settingsEPSS 0.45%5.3CVE-2022-36781Connectwise screenconnect improper restriction of authentication attempts vulnerabilityConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force attacks on custom access tokens due to inadequate r…EPSS 0.62%

Source: NIST National Vulnerability Database (record CVE-2025-14823), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.