CVE-2021-30117

Authenticated SQL injection in Kaseya VSA < v9.5.6

Critical · published July 9, 2021

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.4th percentile for exploit probability.

CVSS v3.1
9.8
EPSS
72%
Percentile
99.4
In the wild
Unconfirmed
What it is

🚨 A sneaky boolean-based SQL injection is hiding in the /InstallTab/exportFldr.asp API, and all it takes is a crafty parameter tweak to gain access! 🔥 Think of it like a restaurant where a customer can bypass the normal menu order by simply saying the secret code—suddenly, they can access the chef's private recipe list! 🍽️ An attacker could exploit this vulnerability to execute arbitrary SQL queries, potentially accessing sensitive data or causing disruptions. With the right crafted input, they could manipulate the database—seriously compromising your system's integrity and confidentiality.

Put simply

Think of it like a restaurant where a customer can bypass the normal menu order by simply saying the secret code—suddenly, they can access the chef's private recipe list! 🍽️ This semi-authenticated SQL injection flaw allows attackers to inject and execute SQL queries through the fldrId parameter, exploiting how the server processes requests when certain conditions are met.

What to do

An attacker could exploit this vulnerability to execute arbitrary SQL queries, potentially accessing sensitive data or causing disruptions. With the right crafted input, they could manipulate the database—seriously compromising your system's integrity and confidentiality. To protect yourself, patch to the latest version immediately, sanitize all user inputs carefully, and implement prepared statements to thwart SQL injection attempts. Don't forget to review your application for similar vulnerabilities! You've got this! Follow these steps, and you'll be a security hero in no time! 🦸‍♂️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.72054 · 99.4th percentile
Published
2021-07-09T13:18Z
EPSS history
Timeline
  • 09 JUL 13:18Z
    Authenticated SQL injection in Kaseya VSA < v9.5.6
    cvelistv5