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CVE-2023-25718

9.8 · CRITICAL

In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signed, additional instructions can be added without invalidating the signature, such as ins…

Published Feb 13, 2023CWE-347EPSS 0.69%

Overview

CVE-2023-25718 is a critical-severity vulnerability. It was published on February 13, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signed, additional instructions can be added without invalidating the signature, such as instructions that result in offering the end user a (different) attacker-controlled executable file. It is plausible that the end user may allow the download and execution of this file to proceed. There are ConnectWise Control configuration options that add mitigations.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcybir.com/2022/cve/connectwise-control-dns-spoofing-poc/Refm.youtube.com/watch?v=fbNVUgmstSc&pp=0gcJCf0Ao7VqN5tDRefwww.connectwise.com/blog/cybersecurity/the-importance-of-responsible-security-disclosuresRefcybir.com/2022/cve/connectwise-control-dns-spoofing-poc/Refwww.connectwise.comRefwww.connectwise.com/blog/cybersecurity/the-importance-of-responsible-security-disclosuresRefwww.huntress.com/blog/clearing-the-air-overblown-claims-of-vulnerabilities-exploits-severity

How CyberStrike helps

Frequently asked questions

What is CVE-2023-25718?

CVE-2023-25718 is a critical-severity vulnerability. It was published on February 13, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-25718?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-25718?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-25718?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-25718 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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