HIGH
Directory traversal vulnerability in Kaseya Virtual System Administrator (VSA) 7.0.0.0 before 7.0.0.33, 8..0.0.0 before 8.0.0.23, 9.0.0.0 before 9.0.0.19, and 9.1.0.0 before 9.1.0.9 allows remote authenticated users to write to and execute arbitrary files due to insufficient restrictions in file paths to json.ashx
Published Feb 13, 2020
8.8
HIGHCVSS 3.1
EPSS 13.58%
Description
Directory traversal vulnerability in Kaseya Virtual System Administrator (VSA) 7.0.0.0 before 7.0.0.33, 8..0.0.0 before 8.0.0.23, 9.0.0.0 before 9.0.0.19, and 9.1.0.0 before 9.1.0.9 allows remote authenticated users to write to and execute arbitrary files due to insufficient restrictions in file paths to json.ashx.
Affected products
No data.
OR
- ≥ 7.0.0.0 · < 7.0.0.33
- ≥ 8.0.0.0 · < 8.0.0.23
- ≥ 9.0.0.0 · < 9.0.0.19
- ≥ 9.1.0.0 · < 9.1.0.9
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.
8.8 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
6.5 MEDIUM NVD
AV:N/AC:L/Au:S/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
13.58% 0.13577
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.13577
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (32 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.58% (0.13577) | 96.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.58% (0.13577) | 95.96th | v5 (v2026.06.15) |
| Apr 28, 2026 | 13.37% (0.13366) | 94.21th | v4 (v2025.03.14) |
| Apr 5, 2026 | 15.16% (0.15158) | 94.57th | v4 (v2025.03.14) |
| Dec 16, 2025 | 13.15% (0.13155) | 93.87th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.93% (0.14933) | 93.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 28.37% (0.28366) | 94.45th | v4 (v2025.03.14) |
| Mar 23, 2025 | 14.93% (0.14933) | 93.66th | v4 (v2025.03.14) |
| Mar 17, 2025 | 16.13% (0.16127) | 94.30th | v4 (v2025.03.14) |
| Feb 24, 2025 | 29.72% (0.29716) | 96.98th | v3 (v2023.03.01) |
| Jan 22, 2025 | 32.84% (0.32836) | 97.08th | v3 (v2023.03.01) |
| Jan 4, 2025 | 39.73% (0.39727) | 97.30th | v3 (v2023.03.01) |
| Dec 19, 2024 | 30.92% (0.30917) | 96.97th | v3 (v2023.03.01) |
| Dec 17, 2024 | 32.30% (0.32299) | 97.03th | v3 (v2023.03.01) |
| Dec 12, 2024 | 16.44% (0.16440) | 96.20th | v3 (v2023.03.01) |
| Jun 8, 2024 | 16.91% (0.16911) | 96.07th | v3 (v2023.03.01) |
| May 10, 2024 | 13.08% (0.13083) | 95.49th | v3 (v2023.03.01) |
| Apr 9, 2024 | 10.78% (0.10781) | 94.98th | v3 (v2023.03.01) |
| Jan 20, 2024 | 11.16% (0.11156) | 94.64th | v3 (v2023.03.01) |
| Dec 18, 2023 | 13.52% (0.13524) | 95.07th | v3 (v2023.03.01) |
| Nov 15, 2023 | 10.60% (0.10595) | 94.47th | v3 (v2023.03.01) |
| Oct 31, 2023 | 10.07% (0.10073) | 94.28th | v3 (v2023.03.01) |
| Oct 13, 2023 | 10.18% (0.10185) | 94.29th | v3 (v2023.03.01) |
| Aug 5, 2023 | 7.46% (0.07459) | 93.21th | v3 (v2023.03.01) |
| Jul 3, 2023 | 6.71% (0.06710) | 92.82th | v3 (v2023.03.01) |
| Jun 1, 2023 | 3.49% (0.03494) | 90.16th | v3 (v2023.03.01) |
| Apr 16, 2023 | 3.25% (0.03252) | 89.77th | v3 (v2023.03.01) |
| Mar 18, 2023 | 2.38% (0.02375) | 88.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.71% (0.01708) | 85.82th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.08% (0.08078) | 93.34th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.08% (0.08078) | 92.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.08% (0.08078) | 81.87th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-15-450 x_refsource_MISCThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/38351/ x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://www.securityfocus.com/bid/76838 x_refsource_MISCThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://www.zerodayinitiative.com/advisories/ZDI-15-450 | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/38351/ | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://www.securityfocus.com/bid/76838 | x_refsource_MISCThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 13, 2020
Updated Aug 6, 2024
Reserved Aug 21, 2015
Link CVE-2015-6589
CISA Vulnrichment
Updated n/a