{"cve":"CVE-2018-20753","nvd":{"published":"2019-02-05T06:29:00.593","modified":"2026-08-13T05:17:18.220","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"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"],"products":["kaseya:virtual_system_administrator"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2018-20753","score":0.29551,"percentile":0.98188,"date":"2026-10-31"},"kev":{"cve":"CVE-2018-20753","date_added":"2022-04-13","due_date":"2022-05-04","vendor":"Kaseya","product":"Virtual System/Server Administrator (VSA)","known_ransomware":true},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}