CVE-2023-20154CWE-305

Cisco Modeling Labs External Authentication Bypass Vulnerability

Critical · published November 15, 2024

CVSS v3.1
9.1
EPSS
1%
Percentile
59.5
In the wild
Unconfirmed
What it is

🚨 A simple flaw in Cisco Modeling Labs could let an attacker stroll in as an admin without breaking a sweat! 🔥 Think of it like a hotel front desk that accidentally hands out master keys instead of room keys — anyone with a valid ID could access any room, including the VIP suites! An uninvited guest could waltz into the web interface and seize control, accessing and manipulating simulations and all user data. This means that sensitive information could be snooped on or altered, causing chaos and irreparable damage in your environment! 😱

Put simply

Think of it like a hotel front desk that accidentally hands out master keys instead of room keys — anyone with a valid ID could access any room, including the VIP suites! This vulnerability arises from the improper handling of messages returned by the external authentication server, allowing an attacker to bypass authentication by simply logging in with stolen credentials.

What to do

An uninvited guest could waltz into the web interface and seize control, accessing and manipulating simulations and all user data. This means that sensitive information could be snooped on or altered, causing chaos and irreparable damage in your environment! 😱 Immediately update to the latest software version released by Cisco to close this critical gap. If you can't patch right away, consider implementing workarounds as outlined in the advisory. Your security depends on it! 🛡️ You've got this! Stay vigilant and secure your environment with these fixes! 💪

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00907 · 59.5th percentile
Weakness
CWE-305 · Authentication Bypass by Primary Weakness
Published
2024-11-15T14:54Z
EPSS history
Timeline
  • 15 NOV 14:54Z
    Cisco Modeling Labs External Authentication Bypass Vulnerability
    cvelistv5