CVE-2015-6922 in the critical feed json
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 pr…
published 2020-02-17 6 y ago modified 2026-06-17 4 mo ago also EUVD-2015-6857
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 82.1%
- EPSS 82.1% chance of exploitation in 30 days, percentile 99.6%
- public exploits
- 4
- Metasploit, Exploit-DB
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.
Patch / fix
- kaseya virtual_system_administrator 7.0.0.33, 8.0.0.23, 9.0.0.19, 9.1.0.9
Timeline
- First public exploit (Metasploit auxiliary/admin/http/kaseya_master_admin)
- Published
Exploit prediction
82.10% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit auxiliary/admin/http/kaseya_master_admin Kaseya VSA Master Administrator Account Creation metasploit auxiliary, normal rank, 2015-09-23
- Metasploit exploit/windows/http/kaseya_uploader Kaseya VSA uploader.aspx Arbitrary File Upload metasploit exploit, excellent rank, 2015-09-23
- EDB-38401 Kaseya Virtual System Administrator (VSA) - 'uploader.aspx' Arbitrary File Upload (Metasploit) remote, 2015-10-05
- EDB-38351 Kaseya Virtual System Administrator (VSA) - Multiple Vulnerabilities (2) webapps, 2015-09-29
- packetstormsecurity.com http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
packetstormsecurity.com
/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html
exploit, third-party-advisory, vdb-entry
-
exploit-db.com
/exploits/38351/
exploit, third-party-advisory, vdb-entry
-
helpdesk.kaseya.com
/entries/96164487--Kaseya-Security-Advisory
broken-link, vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-15-448
third-party-advisory, vdb-entry
-
zerodayinitiative.com
/advisories/ZDI-15-449
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2015-6922
- NVD CVE-2015-6922
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.