CVE-2001-0537

HTTP server for Cisco IOS 11.3 to 12.2 allows attackers to bypass authentication and execute arbitrary commands, when local authorization is being used, by…

published March 9, 2002

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.3th percentile for exploit probability.

CVSS
—
EPSS
68%
Percentile
99.3
In the wild
Unconfirmed
What it is

⚠️ A crafty URL can grant an attacker access to your Cisco IOS device—bypassing authentication like a VIP sneaking past security! 🎟️ Think of your network like a busy restaurant; a high-level access URL is like a person with a fake reservation slipping into the VIP section without being checked. They can order anything from the menu without the staff realizing they don't belong there! If exploited, an attacker could execute arbitrary commands on your router, potentially compromising your entire network. It’s like handing the chef the ability to change the entire menu without anyone noticing! This could lead to unauthorized access and potentially devastating changes to your system settings.

Put simply

Think of your network like a busy restaurant; a high-level access URL is like a person with a fake reservation slipping into the VIP section without being checked. They can order anything from the menu without the staff realizing they don't belong there! CVE-2001-0537 allows attackers to bypass authentication in Cisco IOS versions 11.3 to 12.2 by using a specially crafted URL that specifies an elevated access level when local authorization is in place.

What to do

If exploited, an attacker could execute arbitrary commands on your router, potentially compromising your entire network. It’s like handing the chef the ability to change the entire menu without anyone noticing! This could lead to unauthorized access and potentially devastating changes to your system settings. To protect your system, consider upgrading your Cisco IOS to a more recent version if you are still using 11.3 to 12.2. Additionally, review and tighten your access controls and ensure strict authentication measures are in place. You've got this! Strengthen your defenses and keep your network safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.68450 · 99.3th percentile
Published
2002-03-09T05:00Z
EPSS history
Timeline
  • 09 MAR 05:00Z
    HTTP server for Cisco IOS 11.3 to 12.2 allows attackers to bypass authentication and execute arbitrary commands, when local authorization is being used, by…
    cvelistv5