CVE-2021-27198

An issue was discovered in Visualware MyConnection Server before v11.1a

published February 26, 2021

CVSS
—
EPSS
14%
Percentile
96.5
In the wild
Unconfirmed
What it is

🚨 Unauthenticated Remote Code Execution is lurking in Visualware MyConnection Server! Just one crafty file upload can let attackers seize control with Administrator privileges. 🔥 Think of it like a sneaky delivery driver who simply drops off a package that grants access to the entire building without anyone checking the ID. That unauthorized package could lead to complete chaos inside! If exploited, an attacker could easily gain Administrator privileges on the system, potentially leading to data theft, manipulation of critical configurations, or even a total system takeover. It’s like handing over the keys to your castle and letting an intruder wreak havoc!

Put simply

Think of it like a sneaky delivery driver who simply drops off a package that grants access to the entire building without anyone checking the ID. That unauthorized package could lead to complete chaos inside! This vulnerability stems from an arbitrary file upload flaw in the MyConnection Server’s web service. By using a specific URI, attackers can upload malicious files that the server unwittingly executes, due to its high privilege levels.

What to do

If exploited, an attacker could easily gain Administrator privileges on the system, potentially leading to data theft, manipulation of critical configurations, or even a total system takeover. It’s like handing over the keys to your castle and letting an intruder wreak havoc! Immediately upgrade to version 11.1a or later to patch this vulnerability. Additionally, implement strict file validation checks to ensure only legitimate uploads are processed. Regularly audit configurations to bolster your defenses! You’ve got this! Follow these steps to lock down your system and enhance your security posture. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.13623 · 96.5th percentile
Published
2021-02-26T22:53Z
EPSS history
Timeline
  • 26 FEB 22:53Z
    An issue was discovered in Visualware MyConnection Server before v11.1a
    cvelistv5