Auth bypass in Kaseya Virtual System Administrator
CVE-2019-15506
An issue was discovered in Kaseya Virtual System Administrator (VSA) through 9.4.0.37. It has a critical information disclosure vulnerability. An unauthenticated attacker can send properly formatted requests to the web application and download sensitive files and information. For example, the /DATAREPORTS directory can be farmed for reports. Because this directory contains the results of reports such as NMAP, Patch Status, and Active Directory domain metadata, an attacker can easily collect this critical information and parse it for information. There are a number of directories affected.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
References
- help.kaseya.com/WebHelp/EN/RN/index.asp (Release Notes, Vendor Advisory)
- dfdrconsulting.com/2019/cyber-security/cve-2019-15506-kaseya-vsa-critical-infor… (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15506?
- CVE-2019-15506 is a high-severity vulnerability in Kaseya Virtual System Administrator, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2019-08-26.
- How severe is CVE-2019-15506?
- High severity. CVSS v3 base score is 7.5 out of 10.