CVE-2019-12583

Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by…

published June 27, 2019

CVSS
—
EPSS
44%
Percentile
98.7
In the wild
Unconfirmed
What it is

⚠️ An eager attacker can use a missing access control feature to create guest accounts on Zyxel devices without breaking a sweat! Think of this as a hotel lobby where anyone can waltz in and snag a room key without even checking in—easy access right into the heart of your network! This vulnerability can lead to unauthorized access to your network, allowing attackers to do anything from snooping on sensitive information to disrupting services entirely. Imagine someone throwing a party in your hotel room while you're away—absolutely devastating and very hard to contain!

Put simply

Think of this as a hotel lobby where anyone can waltz in and snag a room key without even checking in—easy access right into the heart of your network! The flaw in the 'Free Time' component allows remote attackers to directly access the account generator for guest accounts, bypassing necessary access controls entirely.

What to do

This vulnerability can lead to unauthorized access to your network, allowing attackers to do anything from snooping on sensitive information to disrupting services entirely. Imagine someone throwing a party in your hotel room while you're away—absolutely devastating and very hard to contain! To patch this vulnerability, ensure your Zyxel devices are updated to the latest firmware. Also, consider disabling guest account features if they're not necessary for your operation—it's better to be safe than sorry! You've got this! With these steps, you're on your way to securing your network! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.43926 · 98.7th percentile
Published
2019-06-27T14:01Z
EPSS history
Timeline
  • 22 SEP 03:17Z
    EPSS moved 44% → 30%
    epss
  • 06 SEP 03:12Z
    EPSS moved 44% → 30%
    epss
  • 30 AUG 16:01Z
    EPSS moved 30% → 44%
    epss
  • 29 AUG 04:46Z
    EPSS moved 44% → 30%
    epss
  • 27 JUN 14:01Z
    Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by…
    cvelistv5