CVE-2018-20753

high-risk
Published 2019-02-05

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.

Do I need to act?

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37.7% chance of exploitation in next 30 days
EPSS score — higher than 62% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Kaseya

References (5)

Exploit https://blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88
Vendor Advisory https://helpdesk.kaseya.com/hc/en-gb/articles/360000333152
Exploit https://blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88
Vendor Advisory https://helpdesk.kaseya.com/hc/en-gb/articles/360000333152
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-...
60
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 23/34 · High
Exposure 5/34 · Minimal