CVE-2019-1974CWE-287

Cisco IMC Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Authentication Bypass Vulnerability

Critical · published August 21, 2019

CVSS v3.0
9.8
EPSS
4%
Percentile
91.4
In the wild
Unconfirmed
What it is

🚨 An unauthenticated remote attacker can waltz in and take control of your Cisco devices like they own the place! 🔥 Think of this vulnerability as a hotel with a front desk that doesn't check IDs. Anyone can stroll in and take advantage of the administrative suite without anyone batting an eye! This could be absolutely devastating for your network security. An attacker gaining administrative access could manipulate settings, access sensitive data, or even crash your systems — the digital equivalent of throwing a wild party in the hotel and locking out the owners!

Put simply

Think of this vulnerability as a hotel with a front desk that doesn't check IDs. Anyone can stroll in and take advantage of the administrative suite without anyone batting an eye! The vulnerability stems from insufficient request header validation during the authentication process, allowing attackers to bypass authentication entirely and gain admin privileges simply by sending a series of malicious requests.

What to do

This could be absolutely devastating for your network security. An attacker gaining administrative access could manipulate settings, access sensitive data, or even crash your systems — the digital equivalent of throwing a wild party in the hotel and locking out the owners! Patch your systems to the latest version immediately! Review your configurations and ensure that user authentication is properly enforced. Don't forget to monitor for any unusual activity while you're at it! You've got this! Follow these steps, and you'll be one step closer to securing your systems against this threat! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04491 · 91.4th percentile
Weakness
CWE-287 · Improper Authentication
Published
2019-08-21T18:30Z
EPSS history
Timeline
  • 21 AUG 18:30Z
    Cisco IMC Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Authentication Bypass Vulnerability
    cvelistv5