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Vulnerability record · CVE-2015-6589 · published 13 February 2020

CVE-2015-6589: Kaseya virtual system administrator path traversal vulnerability

Kaseya · Virtual System Administrator

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.

8.8 CVSS 3.1 High EPSS 14% · top 3.7% CWE-22 · Path traversal
8.8CVSS 3.1 base score, v2 6.5
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
http://www.zerodayinitiative.com/advisories/ZDI-15-450 Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/38351/ ExploitThird Party AdvisoryVDB Entry
https://www.securityfocus.com/bid/76838 Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
http://www.zerodayinitiative.com/advisories/ZDI-15-450 Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/38351/ ExploitThird Party AdvisoryVDB Entry
https://www.securityfocus.com/bid/76838 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-20753Kaseya VSA RMM unauthenticated remote code executionKaseya 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 payload…KEVEPSS 29%analysed9.8CVE-2015-6922Kaseya VSA authentication bypass allows admin account creation and code executionKaseya Virtual System Administrator (VSA) versions 7.x, 8.x, 9.0 and 9.1 before their respective fixed builds fail to properly require authentication…EPSS 82%analysed7.5CVE-2019-15506Kaseya virtual system administrator missing authentication for critical function vulnerabilityAn issue was discovered in Kaseya Virtual System Administrator (VSA) through 9.4.0.37. It has a critical information disclosure vulnerability. An una…EPSS 1.8%7.4CVE-2017-12410Kaseya virtual system administrator race condition vulnerabilityIt is possible to exploit a Time of Check & Time of Use (TOCTOU) vulnerability by winning a race condition when Kaseya Virtual System Administrator a…EPSS 0.25%4.3CVE-2015-2863Kaseya virtual system administrator vulnerabilityOpen redirect vulnerability in Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.29, 8.x before 8.0.0.18, 9.0 before 9.0.0.14, and 9.1 befor…EPSS 10%4.0CVE-2015-2862Kaseya virtual system administrator path traversal vulnerabilityDirectory traversal vulnerability in Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.29, 8.x before 8.0.0.18, 9.0 before 9.0.0.14, and 9.1…EPSS 9.5%1.7CVE-2014-2926Kaseya virtual system administrator vulnerabilitykapfa.sys in Kaseya Virtual System Administrator (VSA) 6.5 before 6.5.0.17 and 7.0 before 7.0.0.16 allows local users to cause a denial of service (N…EPSS 0.33%9.8CVE-2026-93616Checkpoint multi-domain security management path traversal vulnerabilityA directory traversal and file upload vulnerability allows an unauthenticated attacker to upload and execute arbitrary scripts on Check Point Managem…KEVEPSS 20%

Source: NIST National Vulnerability Database (record CVE-2015-6589), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.