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Tool Directory

CVE-2015-6922

CriticalPublished

Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require...

Published: Feb 17, 2020
Updated: Aug 6, 2024
Assigning CNA: mitre
Evidence observed: Sep 29, 2015

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

82.1%

High · next 30 days

Percentile: 99.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.

Sources

Kaseya Virtual System Administrator (VSA) - Multiple Vulnerabilities (2)Exploit
Pedro Ribeiro · asp · Sep 29, 2015
Kaseya Virtual System Administrator (VSA) - 'uploader.aspx' Arbitrary File Upload (Metasploit)Exploit
Metasploit · windows · Oct 5, 2015

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