CVE-2020-3374CWE-285

Cisco SD-WAN vManage Software Authorization Bypass Vulnerability

Critical · published July 31, 2020

CVSS v3.0
9.9
EPSS
2%
Percentile
79.7
In the wild
Unconfirmed
What it is

🚨 A sneaky authorization flaw in Cisco SD-WAN vManage could let attackers steal the keys to your kingdom! 🔥 Think of it like a hotel room where the front desk has a master key that opens every door because they forgot to verify who gets to use it. An attacker could easily access sensitive inventory, change reservations, or even lock guests out altogether! If exploited, an attacker could gain unauthorized access to sensitive information, alter configurations, or disrupt system availability—a nightmare scenario where the wrong person has full control! This could lead to data breaches or service outages as critical functionalities hang in the balance.

Put simply

Think of it like a hotel room where the front desk has a master key that opens every door because they forgot to verify who gets to use it. An attacker could easily access sensitive inventory, change reservations, or even lock guests out altogether! This vulnerability arises from insufficient authorization checks in the web-based management interface of Cisco SD-WAN vManage Software. An attacker can send crafted HTTP requests, bypassing the intended user authorization levels and gaining access to unauthorized functionalities.

What to do

If exploited, an attacker could gain unauthorized access to sensitive information, alter configurations, or disrupt system availability—a nightmare scenario where the wrong person has full control! This could lead to data breaches or service outages as critical functionalities hang in the balance. Immediately patch your Cisco SD-WAN vManage Software to the latest version to close this gap. Additionally, review your authorization settings to ensure they are strict enough to prevent unauthorized access. Regularly audit your logs for any suspicious activity! You've got this! With a few updates and checks, you can protect your system and keep those attackers at bay. 🛡️

The record
Technical detail
CVSS v3.0
9.9 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01917 · 79.7th percentile
Weakness
CWE-285 · Improper Authorization
Published
2020-07-31T00:01Z
EPSS history
Timeline
  • 31 JUL 00:01Z
    Cisco SD-WAN vManage Software Authorization Bypass Vulnerability
    cvelistv5