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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Virtual_system_administrator | Kaseya | 9.3 (including) | 9.3.0.35 (excluding) |
| Virtual_system_administrator | Kaseya | 9.4 (including) | 9.4.0.36 (excluding) |
| Virtual_system_administrator | Kaseya | 9.5 (including) | 9.5.0.5 (excluding) |
References
- https://blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88
- https://helpdesk.kaseya.com/hc/en-gb/articles/360000333152
- https://blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88
- https://helpdesk.kaseya.com/hc/en-gb/articles/360000333152
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20753