National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-20753 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88 Exploit Third Party Advisory
https://helpdesk.kaseya.com/hc/en-gb/articles/360000333152 Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
9.3
Up to (excluding)
9.3.0.35
 cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
9.4
Up to (excluding)
9.4.0.36
 cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
9.5
Up to (excluding)
9.5.0.5


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-20753
NVD Published Date:
02/05/2019
NVD Last Modified:
02/21/2019