Executive Risk Summary
"The cat6000-dot1x component in Cisco IOS is vulnerable to a denial of service attack, which can cause a traffic storm via unspecified vectors that trigger many Spanning Tree Protocol (STP) Bridge Protocol Data Unit (BPDU) frames. This vulnerability can be exploited by remote attackers to cause network disruption."
Anticipated Attack Path
- 1. Identify vulnerable Cisco IOS devices
- 2. Exploit the cat6000-dot1x component vulnerability
- 3. Trigger a traffic storm via STP BPDU frames
Am I Vulnerable?
- Verify Cisco IOS version is prior to 12.2(33)SXI7
- Check for open-authentication dot1x enabled ports
- Monitor network traffic for signs of a traffic storm
Operational Audit Arsenal
Target Type Network Device
Target Asset cat6000-dot1x
Standard Path Cisco IOS devices
Manual Verification Required
This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.
Patch Impact Forecast
Reboot Required Likely
Network disruption possible during patching
Internal Work Notes
Cisco IOS vulnerability (CVE-2011-2057) - cat6000-dot1x component denial of service attack, requires patching to version 12.2(33)SXI7 or later
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
Related Cisco Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.