CVE-2020-3243CWE-20

Multiple Vulnerabilities in Cisco UCS Director and Cisco UCS Director Express for Big Data

Critical · published April 15, 2020

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.8th percentile for exploit probability.

CVSS v3.0
9.8
EPSS
88%
Percentile
99.8
In the wild
Unconfirmed
What it is

🚨 A sneaky directory traversal flaw in Cisco UCS Director could let a remote attacker waltz right past authentication checks — no password needed! 🔥 Think of it like a hotel with a broken front desk; guests can just walk in and access any room without ever checking in. That's exactly what this vulnerability allows! An attacker could exploit this vulnerability to gain unauthorized access, potentially viewing or manipulating sensitive data, and even altering configurations on the device. The consequences could be absolutely devastating, leading to data breaches or service disruptions that affect your entire infrastructure.

Put simply

Think of it like a hotel with a broken front desk; guests can just walk in and access any room without ever checking in. That's exactly what this vulnerability allows! This vulnerability in the REST API allows remote attackers to bypass authentication or perform directory traversal attacks, enabling them to access critical files and potentially execute unauthorized commands.

What to do

An attacker could exploit this vulnerability to gain unauthorized access, potentially viewing or manipulating sensitive data, and even altering configurations on the device. The consequences could be absolutely devastating, leading to data breaches or service disruptions that affect your entire infrastructure. Immediate action is crucial: update your Cisco UCS Director to the latest version available, which contains necessary patches addressing these vulnerabilities. Review API access controls and limit exposure to only trusted networks for added security. You've got this! By taking these steps, you're reinforcing your defenses and protecting your infrastructure. 🛡️

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
0.88374 · 99.8th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2020-04-15T20:10Z
EPSS history
Timeline
  • 15 APR 20:10Z
    Multiple Vulnerabilities in Cisco UCS Director and Cisco UCS Director Express for Big Data
    cvelistv5