CVE-2018-20753
Kaseya VSA Remote Code Execution Vulnerability
Kaseya Virtual System/Server Administrator (VSA)
CVSS
9.8CriticalExploit odds (EPSS)29.6%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version.
Timeline
Description
Kaseya VSA RMM allows unprivileged remote attackers to execute PowerShell payloads on all managed devices.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 4
- nvd.nist.gov/vuln/detail/CVE-2018-20753Referencevia CISA KEV
- blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88Referencevia CVE List
- helpdesk.kaseya.com/hc/en-gb/articles/360000333152Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20753Referencevia CVE List