CVE-2020-11989

Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass

published June 22, 2020

CVSS
โ€”
EPSS
24%
Percentile
97.9
In the wild
Unconfirmed
What it is

โš ๏ธ A crafted request could sneak right past your defenses! This vulnerability in Apache Shiro before 1.5.3 allows for a sneaky authentication bypass when used with Spring dynamic controllers. ๐Ÿ”’ Think of it as a restaurant that allows customers to order off the menu without checking their ID. The server takes the order without verifying if the diner is truly supposed to be there, leading to some unauthorized meals being served! An attacker could potentially gain access to sensitive information or functionality without ever needing to authenticate, opening the door for all sorts of mischief. Imagine unauthorized users running rampant in your system โ€” yikes!

Put simply

Think of it as a restaurant that allows customers to order off the menu without checking their ID. The server takes the order without verifying if the diner is truly supposed to be there, leading to some unauthorized meals being served! This vulnerability occurs when a specially crafted request is processed by Apache Shiro, bypassing the authentication checks intended to keep unauthorized users out. Essentially, the authentication mechanism fails to validate the request properly, leading to this security hole.

What to do

An attacker could potentially gain access to sensitive information or functionality without ever needing to authenticate, opening the door for all sorts of mischief. Imagine unauthorized users running rampant in your system โ€” yikes! Upgrade Apache Shiro to version 1.5.3 or later to close this gap immediately. Additionally, audit your Spring dynamic controllers for any configurations that might exacerbate this issue. Stay vigilant! You've got this! By following these steps, you'll secure your system and earn your security hero status! ๐Ÿฆธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.24436 ยท 97.9th percentile
Published
2020-06-22T18:06Z
EPSS history
Timeline
  • 22 JUN 18:06Z
    Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass
    cvelistv5