CVE-2017-18362
CVE-2017-18362 is a critical-severity vulnerability in Connectwise Manageditsync with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-05-24). The underlying weakness is classified as CWE-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 87% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-05-24)
- EU (EUVD) id: EUVD-2017-9480
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-05-24)
- Weakness: CWE-89
- Affected product: Connectwise Manageditsync
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2017-18362?
- 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.
- How severe is CVE-2017-18362?
- CVE-2017-18362 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-18362 being actively exploited?
- Yes. CVE-2017-18362 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-05-24, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2017-18362?
- CVE-2017-18362 affects Connectwise Manageditsync. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-18362?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2017-18362 have an EU (EUVD) identifier?
- Yes. CVE-2017-18362 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-9480. It is also flagged as exploited in the EUVD (since 2022-05-24).
- When was CVE-2017-18362 published?
- CVE-2017-18362 was published on 2019-02-05 and last updated on 2026-08-13.
References
- http://archive.today/rdkeQ
- https://github.com/kbni/owlky
- https://webcache.googleusercontent.com/search?q=cache:ZEo8ZRF_iEIJ:https://helpdesk.kaseya.com/hc/en-gb/articles/360022495572-Connectwise-API-Vulnerability+
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-18362
Affected products (1)
- cpe:2.3:a:connectwise:manageditsync:*:*:*:*:*:kaseya_vsa:*:*
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