CVE-2021-30648

The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability

published June 30, 2021

CVSS
—
EPSS
1%
Percentile
73.1
In the wild
Unconfirmed
What it is

⚡ An unauthenticated attacker can sneak in and execute arbitrary commands on your Symantec Advanced Secure Gateway! That's like letting a stranger walk behind the counter at your favorite coffee shop and start crafting drinks! ☕️🔥 Think of your Symantec ASG console as a secure vault for your best recipes. An attacker exploiting this vulnerability is like an uninvited guest who finds a way to enter the kitchen and tamper with the secret sauce—altering recipes, changing ingredients, or even shutting down the whole kitchen without anyone noticing! If this vulnerability is exploited, an attacker could wreak havoc by executing arbitrary commands, accessing or modifying crucial configurations, and even rebooting or shutting down the appliance. This could lead to unauthorized access to sensitive data or disrupt service, causing serious operational issues.

Put simply

Think of your Symantec ASG console as a secure vault for your best recipes. An attacker exploiting this vulnerability is like an uninvited guest who finds a way to enter the kitchen and tamper with the secret sauce—altering recipes, changing ingredients, or even shutting down the whole kitchen without anyone noticing! This authentication bypass flaw in the Symantec Advanced Secure Gateway and ProxySG web management consoles allows an unauthenticated user to execute CLI commands and alter configurations at will, due to inadequate authentication checks.

What to do

If this vulnerability is exploited, an attacker could wreak havoc by executing arbitrary commands, accessing or modifying crucial configurations, and even rebooting or shutting down the appliance. This could lead to unauthorized access to sensitive data or disrupt service, causing serious operational issues. To secure your system, make sure to update to the latest patches provided by Symantec right away. Also, consider implementing additional access controls to restrict who can interact with these management consoles. Regularly audit user permissions to ensure that only authorized personnel have access. You've got this! Follow these steps and you'll keep your Symantec ASG safe and sound! 🛡️💪

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01447 · 73.1th percentile
Published
2021-06-30T10:40Z
EPSS history
Timeline
  • 30 JUN 10:40Z
    The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability
    cvelistv5