Exploited
Advisory Published
Updated

CVE-2018-20753: Kaseya VSA Remote Code Execution Vulnerability

First published: Tue Feb 05 2019(Updated: )

Kaseya VSA RMM before R9.3 9.3.0.35, R9.4 before 9.4.0.36, and R9.5 before 9.5.0.5 allows unprivileged remote attackers to execute PowerShell payloads on all managed devices. In January 2018, attackers actively exploited this vulnerability in the wild.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Kaseya Virtual System Administrator>=9.3<9.3.0.35
Kaseya Virtual System Administrator>=9.4<9.4.0.36
Kaseya Virtual System Administrator>=9.5<9.5.0.5
Kaseya Virtual System/Server Administrator (VSA)
>=9.3<9.3.0.35
>=9.4<9.4.0.36
>=9.5<9.5.0.5

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Frequently Asked Questions

  • What is the severity of CVE-2018-20753?

    CVE-2018-20753 has been assigned a high severity rating due to its potential for remote code execution.

  • How do I fix CVE-2018-20753?

    To mitigate CVE-2018-20753, upgrade Kaseya VSA to a version higher than 9.3.0.35, 9.4.0.36, or 9.5.0.5.

  • What systems are affected by CVE-2018-20753?

    CVE-2018-20753 affects Kaseya VSA versions prior to 9.3.0.35, 9.4.0.36, and 9.5.0.5.

  • Can CVE-2018-20753 be exploited remotely?

    Yes, CVE-2018-20753 allows unprivileged remote attackers to execute PowerShell payloads on all managed devices.

  • Is there a known exploit for CVE-2018-20753?

    Yes, there were active exploits for CVE-2018-20753 reported in the wild in January 2018.

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