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CVE-2015-6589

38
FAUCET Score

CVE-2015-6589 describes a directory traversal vulnerability in Kaseya Virtual System Administrator (VSA) versions 7.0.0.0 through 9.1.0.9. This flaw allows remote authenticated users to write and execute arbitrary files by manipulating file paths sent to json.ashx. With a CVSS score of 8.8 (HIGH), this vulnerability presents a significant risk, enabling full compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public exploit code exists on ExploitDB, indicating its potential for exploitation. Despite the availability of exploits, there is no evidence of active exploitation or significant community discussion surrounding 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

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
13.58%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-38351 · Sep 29, 2015
This CVE's current EPSS score of 0.1358 is in the 95th percentile among its peer group of 17,844 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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
exploit-db.com / exploits/38351
ExploitThird Party AdvisoryVDB Entry
securityfocus.com / bid/76838
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-15-450
Third Party AdvisoryVDB Entry