CVE-2018-0253CWE-20

A vulnerability in the ACS Report component of Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to execute arbitrary…

published May 2, 2018

CVSS
—
EPSS
7%
Percentile
93.9
In the wild
Unconfirmed
What it is

🚨 A crafty AMF message can let attackers run commands with user privileges, all without needing a login! 🔥 Think of it like a restaurant where the waiter accepts orders without checking IDs — a customer could ask for anything on the menu, even the chef's secret recipes! If exploited, an attacker could execute any command on the Cisco Secure Access Control System, potentially compromising sensitive data or configurations. This could lead to unauthorized access or manipulation of critical system functions, putting your entire network at risk!

Put simply

Think of it like a restaurant where the waiter accepts orders without checking IDs — a customer could ask for anything on the menu, even the chef's secret recipes! This vulnerability arises from insufficient validation of the Action Message Format (AMF) protocol, allowing unauthenticated attackers to send crafted messages that execute arbitrary commands at the targeted user's privilege level.

What to do

If exploited, an attacker could execute any command on the Cisco Secure Access Control System, potentially compromising sensitive data or configurations. This could lead to unauthorized access or manipulation of critical system functions, putting your entire network at risk! Ensure you upgrade to Cisco Secure ACS Release 5.8 Patch 7 or later to eliminate this vulnerability. Additionally, review your system configurations and monitor traffic for any unusual AMF messages to bolster your defenses. You've got this! By taking these steps, you'll strengthen your security posture and protect your network! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06719 · 93.9th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2018-05-02T22:00Z
EPSS history
Timeline
  • 02 MAY 22:00Z
    A vulnerability in the ACS Report component of Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to execute arbitrary…
    cvelistv5