CVE-2021-1393CWE-306

Cisco Application Services Engine Unauthorized Access Vulnerabilities

Critical · published February 24, 2021

CVSS v3.1
9.8
EPSS
2%
Percentile
83.4
In the wild
Unconfirmed
What it is

🚨 A sneaky vulnerability in Cisco's Application Services Engine allows attackers to bypass authentication and gain privileged access — think of it as leaving the front door wide open in a high-security building! 🔥 Picture a hotel where unauthorized guests can roam around the back office, checking into any room, seeing confidential guest lists, and even making minor adjustments to bookings. The lack of proper security checks means anyone could potentially exploit this! An attacker could gain unmonitored access to host-level operations, retrieve sensitive device-specific information, and even make limited configuration changes. This could lead to unauthorized data exposure or even manipulation of critical system settings that might disrupt services. Yikes!

Put simply

Picture a hotel where unauthorized guests can roam around the back office, checking into any room, seeing confidential guest lists, and even making minor adjustments to bookings. The lack of proper security checks means anyone could potentially exploit this! This vulnerability stems from multiple flaws in the Cisco Application Services Engine that allow unauthenticated remote attackers to perform sensitive actions without proper validation or access controls in place.

What to do

An attacker could gain unmonitored access to host-level operations, retrieve sensitive device-specific information, and even make limited configuration changes. This could lead to unauthorized data exposure or even manipulation of critical system settings that might disrupt services. Yikes! Immediate action is crucial: patch your Cisco Application Services Engine to the latest version available to close these vulnerabilities. Additionally, review your security policies and ensure that no unauthorized access is possible. This is a top priority! You've got this! With a quick patch and some diligence, you'll have your systems locked down in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02330 · 83.4th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2021-02-24T19:31Z
EPSS history
Timeline
  • 24 FEB 19:31Z
    Cisco Application Services Engine Unauthorized Access Vulnerabilities
    cvelistv5