CVE-2004-1099

Cisco Secure Access Control Server for Windows (ACS Windows) and Cisco Secure Access Control Server Solution Engine (ACS Solution Engine) 3.3.1, when the…

published December 1, 2004

CVSS
—
EPSS
10%
Percentile
95.6
In the wild
Unconfirmed
What it is

⚠️ An untrustworthy certificate can waltz right through! This CVE allows attackers to bypass authentication in Cisco ACS Windows by exploiting expired or untrusted certificates, like a party crasher using a fake ID. 🎭 Think of it like a bouncer at a club who’s supposed to check everyone’s ID but accidentally lets in someone with an expired ticket. Instead of turning away the untrustworthy, they miss the obvious flaws and let potential trouble in! In the worst-case scenario, an attacker could gain unauthorized access to sensitive systems, posing as legitimate users. This could lead to a huge data breach, putting confidential information and network integrity at serious risk!

Put simply

Think of it like a bouncer at a club who’s supposed to check everyone’s ID but accidentally lets in someone with an expired ticket. Instead of turning away the untrustworthy, they miss the obvious flaws and let potential trouble in! The vulnerability in Cisco Secure Access Control Server (ACS) allows remote attackers to authenticate using certificates that are expired or untrusted while the EAP-TLS protocol is active, enabling them to essentially impersonate valid users.

What to do

In the worst-case scenario, an attacker could gain unauthorized access to sensitive systems, posing as legitimate users. This could lead to a huge data breach, putting confidential information and network integrity at serious risk! To address this, ensure that all certificates are valid and trusted—review and renew any expired certificates immediately. Additionally, check your configuration to enforce stricter certificate validation policies in your ACS setup. 🛡️ Don't worry, security hero! By following these steps, you’ll keep your systems safe and sound. You've got this! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.10195 · 95.6th percentile
Published
2004-12-01T05:00Z
EPSS history
Timeline
  • 01 DEC 05:00Z
    Cisco Secure Access Control Server for Windows (ACS Windows) and Cisco Secure Access Control Server Solution Engine (ACS Solution Engine) 3.3.1, when the…
    cvelistv5