CVE-2015-6922 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 82.1% (pctl 100)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 82.1% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-287 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-02-17 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| kaseya | virtual system administrator |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Kaseya Virtual System Administrator (VSA) - 'uploader.aspx' Arbitrary File Upload (Metasploit) | 2015-10-05 |
| exploit-db | Kaseya Virtual System Administrator (VSA) - Multiple Vulnerabilities (2) | 2015-09-29 |
References
- http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html
- http://www.zerodayinitiative.com/advisories/ZDI-15-448
- http://www.zerodayinitiative.com/advisories/ZDI-15-449
- https://helpdesk.kaseya.com/entries/96164487--Kaseya-Security-Advisory
- https://www.exploit-db.com/exploits/38351/
- http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html
- http://www.zerodayinitiative.com/advisories/ZDI-15-448
- http://www.zerodayinitiative.com/advisories/ZDI-15-449
- https://helpdesk.kaseya.com/entries/96164487--Kaseya-Security-Advisory
- https://www.exploit-db.com/exploits/38351/
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