AEGLIX vulnerability intelligence
CVE-2018-20753
CRITICAL · CVSS 9.8 · Analyzed
Published: 2019-02-05 · Updated: 2026-08-13 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- NVD-CWE-noinfo
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Kaseya · Virtual System/Server Administrator (VSA)
- Added to catalog
- 2022-04-13
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-05-04
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
From (inclusive): 9.3
Before (exclusive): 9.3.0.35
cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
From (inclusive): 9.4
Before (exclusive): 9.4.0.36
cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
From (inclusive): 9.5
Before (exclusive): 9.5.0.5
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- 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
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20753
US Government Resource