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CVE-2015-6922

84
FAUCET Score

CVE-2015-6922 describes critical authentication bypass vulnerabilities in Kaseya Virtual System Administrator (VSA) versions 7.x, 8.x, and 9.x. Attackers can exploit this to create administrative accounts or upload and execute arbitrary files. With a CVSS score of 9.8 (Critical), these vulnerabilities allow unauthenticated remote attackers to achieve full compromise (Confidentiality, Integrity, Availability) with low attack complexity. While not listed in CISA KEV, public exploit modules exist for Metasploit and ExploitDB, indicating readily available exploit code. Despite the high severity and exploit availability, there is no recorded community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.0.0.0, < 7.0.0.33CPE matchmatch criteria
cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
>= 8.0.0.0, < 8.0.0.23CPE matchmatch criteria
cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
>= 9.0.0.0, < 9.0.0.19CPE matchmatch criteria
cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*
>= 9.1.0.0, < 9.1.0.9CPE matchmatch criteria
cpe:2.3:a:kaseya:virtual_system_administrator:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
82.10%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Kaseya VSA uploader.aspx Arbitrary File Upload · Sep 23, 2015
ExploitDB: EDB-38401 · Oct 5, 2015
This CVE's current EPSS score of 0.8210 is in the 98th percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html
ExploitThird Party AdvisoryVDB Entry
helpdesk.kaseya.com / entries/96164487--Kaseya-Security-Advisory
Broken LinkVendor Advisory
exploit-db.com / exploits/38351
ExploitThird Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-15-448
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-15-449
Third Party AdvisoryVDB Entry