CVE-2023-20048CWE-269

A vulnerability in the web services interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to execute…

Critical · published November 1, 2023

CVSS v3.1
9.9
EPSS
16%
Percentile
96.9
In the wild
Unconfirmed
What it is

🚨 An authenticated attacker can send sneaky commands to your Cisco Firepower Threat Defense device without breaking a sweat! 🔥 Think of it like a trusted hotel guest who knows the layout but finds a way to slip behind the reception desk and reconfigure the security settings without anyone noticing. It's a breach of trust that should never happen! If exploited, this vulnerability could let attackers manipulate critical configurations on your FTD device, potentially leading to unauthorized access or a complete security compromise. With valid credentials, they could undermine the very defenses meant to protect your network, creating an absolute nightmare scenario.

Put simply

Think of it like a trusted hotel guest who knows the layout but finds a way to slip behind the reception desk and reconfigure the security settings without anyone noticing. It's a breach of trust that should never happen! This vulnerability arises from insufficient authorization checks in the web services interface of Cisco's Firepower Management Center (FMC) Software, allowing an authenticated user to execute unauthorized configuration commands on the Firepower Threat Defense devices it manages.

What to do

If exploited, this vulnerability could let attackers manipulate critical configurations on your FTD device, potentially leading to unauthorized access or a complete security compromise. With valid credentials, they could undermine the very defenses meant to protect your network, creating an absolute nightmare scenario. To safeguard against this vulnerability, ensure you update your Cisco FMC Software to the latest version as prescribed by Cisco. Revise user permissions and consider implementing stricter access controls to limit who can authenticate and send commands. Don't delay—this needs your attention now! You've got this! Follow these steps, and you'll tighten up your defenses in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.15821 · 96.9th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2023-11-01T17:04Z
EPSS history
Timeline
  • 01 NOV 17:04Z
    A vulnerability in the web services interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to execute…
    cvelistv5