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
Published Feb 5, 2019 ·Due May 4, 2022
9.8
CRITICALCVSS 3.1
EPSS 29.34%
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.
Affected products
No data.
- ≥ 9.3 · < 9.3.0.35
- ≥ 9.4 · < 9.4.0.36
- ≥ 9.5 · < 9.5.0.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
Date Added
Apr 13, 2022
Patch Due
May 4, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Feb 4, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 29.34% (0.29336) | 98.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 29.55% (0.29551) | 97.94th | v5 (v2026.06.15) |
| May 22, 2026 | 47.93% (0.47933) | 97.76th | v4 (v2025.03.14) |
| Feb 18, 2026 | 37.71% (0.37706) | 97.10th | v4 (v2025.03.14) |
| Nov 21, 2025 | 45.28% (0.45276) | 97.45th | v4 (v2025.03.14) |
| Nov 18, 2025 | 36.38% (0.36384) | 96.91th | v4 (v2025.03.14) |
| Nov 8, 2025 | 45.69% (0.45694) | 97.47th | v4 (v2025.03.14) |
| Apr 15, 2025 | 37.80% (0.37795) | 96.94th | v4 (v2025.03.14) |
| Mar 30, 2025 | 51.40% (0.51403) | 97.66th | v4 (v2025.03.14) |
| Mar 29, 2025 | 60.23% (0.60231) | 97.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 51.40% (0.51403) | 97.62th | v4 (v2025.03.14) |
| Jan 15, 2025 | 29.01% (0.29012) | 96.90th | v3 (v2023.03.01) |
| Dec 17, 2024 | 36.10% (0.36105) | 97.17th | v3 (v2023.03.01) |
| Dec 12, 2024 | 10.56% (0.10562) | 95.29th | v3 (v2023.03.01) |
| Mar 24, 2024 | 10.26% (0.10259) | 94.81th | v3 (v2023.03.01) |
| Jan 15, 2024 | 9.09% (0.09085) | 94.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.63% (0.06626) | 92.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00785) | 22.12th | v1 |
| Jan 6, 2022 | 0.78% (0.00785) | 21.52th | v1 |
| Sep 1, 2021 | 0.78% (0.00785) | 52.07th | v1 |
| Apr 14, 2021 | 0.78% (0.00785) | 0.00th | v1 |
No CWE recorded.
References (3)
- https://blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88 x_refsource_MISCExploitThird Party Advisory
- https://helpdesk.kaseya.com/hc/en-gb/articles/360000333152 x_refsource_MISCVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20753 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://blog.huntresslabs.com/deep-dive-kaseya-vsa-mining-payload-c0ac839a0e88 | x_refsource_MISCExploitThird Party Advisory | |
| https://helpdesk.kaseya.com/hc/en-gb/articles/360000333152 | x_refsource_MISCVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20753 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.