CVE-2023-20873

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to…

Critical · published April 20, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
66.0
In the wild
Unconfirmed
What it is

🔥 A security bypass can sneak right past your defenses in Spring Boot versions 3.0.0 - 3.0.5 and 2.7.0 - 2.7.10! 🚨 Think of it like a bouncer at a club who forgot to check IDs for certain guests. Those sneaky individuals might waltz right in without proper verification, leaving everyone else inside at risk! This vulnerability could allow unauthorized users to access sensitive data or perform actions they shouldn't be able to, leading to potentially devastating consequences for your application. Imagine the chaos if a rival could just stroll in and tamper with critical settings or extract your precious data.

Put simply

Think of it like a bouncer at a club who forgot to check IDs for certain guests. Those sneaky individuals might waltz right in without proper verification, leaving everyone else inside at risk! The flaw allows for a security bypass in applications deployed on Cloud Foundry, where the expected checks for user authentication may be skipped altogether. This means an attacker could gain unintended access to the application.

What to do

This vulnerability could allow unauthorized users to access sensitive data or perform actions they shouldn't be able to, leading to potentially devastating consequences for your application. Imagine the chaos if a rival could just stroll in and tamper with critical settings or extract your precious data. To protect yourself, upgrade to Spring Boot version 3.0.6+ if you're on the 3.0.x series, or 2.7.11+ if you're using the 2.7.x series. If you're on an older unsupported version, make the jump to either 3.0.6+ or 2.7.11+ immediately! You've got this! Follow these steps and you'll be back on track, keeping your app secure! 🛡️

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
0.01122 · 66.0th percentile
Published
2023-04-20T00:00Z
EPSS history
Timeline
  • 20 APR 00:00Z
    In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to…
    cvelistv5