CVE-2017-18362

Name: CVE-2017-18362
Creator: NVD / NIST
Published: 2019-02-05T06:29:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 86.71%

Last modified Jun 17, 2026

CVE-2017-18362 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 86.71% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

86.71%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 14, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Connectwise	Manageditsync	<= 2017

References

http://archive.today/rdkeQThird Party Advisory
https://github.com/kbni/owlkyExploit, Third Party Advisory
https://webcache.googleusercontent.com/search?q=cache:ZEo8ZRF_iEIJ:https://helpdesk.kaseya.com/hc/en-gb/articles/360022495572-Connectwise-API-Vulnerability+Broken Link, Third Party Advisory
http://archive.today/rdkeQThird Party Advisory
https://github.com/kbni/owlkyExploit, Third Party Advisory
https://webcache.googleusercontent.com/search?q=cache:ZEo8ZRF_iEIJ:https://helpdesk.kaseya.com/hc/en-gb/articles/360022495572-Connectwise-API-Vulnerability+Broken Link, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-18362US Government Resource

Timeline

Published: Feb 5, 2019
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2017-18362?

How severe is CVE-2017-18362?

CVE-2017-18362 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 86.71% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2017-18362?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-18362?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST