CVE-2017-18362
CriticalExploitedPublic exploitConnectWise ManagedITSync integration through 2017 for Kaseya VSA is vulnerable to unauthenticated remote commands that allow full direct access to the Kaseya VSA database.
Published Feb 5, 2019 · Updated Aug 13, 2026
Key Facts
Patch immediately- CVE-2017-18362 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Manageditsync (Connectwise).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 8, 2019 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 87% probability of exploitation in the next 30 days.
- Fixed versions are available, including Manageditsync <=2017, Manageditsync 2017.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
87%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-18362 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | May 24, 2022 | Jun 14, 2022 | Known |
| Industry KEV feed | Feb 8, 2019 | Jun 14, 2022 | Known |
| CIRCL KEV | May 24, 2022 | Jun 14, 2022 | Known |
| ENISA EUVD | May 24, 2022 | n/a | Not reported |
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ManageditsyncConnectwise | See advisory | 2017 |
Patched Releases
Manageditsync
<=2017
Timeline
Publicly disclosed
Feb 5, 2019
Added to Industry KEV feed
Feb 8, 2019
Added to CISA KEV
May 24, 2022
Added to CIRCL KEV
May 24, 2022
Added to ENISA EUVD
May 24, 2022
Last updated
Aug 13, 2026
Weakness Type
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
References
- advisoryhttp://archive.today/rdkeQ
- advisoryhttps://webcache.googleusercontent.com/search?q=cache:ZEo8ZRF_iEIJ:https://helpdesk.kaseya.com/hc/en-gb/articles/360022495572-Connectwise-API-Vulnerability+
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
ConnectWise ManagedITSync integration through 2017 for Kaseya VSA is vulnerable to unauthenticated remote commands that allow full direct access to the Kaseya VSA database.
Affected: Manageditsync (Connectwise). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 8, 2019 and is known to be used in ransomware campaigns.
Yes. It was added on May 24, 2022 with a federal remediation due date of Jun 14, 2022.
Public exploit code is available.
Fixed versions are available, including Manageditsync <=2017, Manageditsync 2017.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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