CVE-2020-27847CWE-228

A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation

published May 28, 2021

CVSS
—
EPSS
2%
Percentile
77.3
In the wild
Unconfirmed
What it is

⚠️ A sneaky flaw in the SAML connector of the dex library can let attackers dodge authentication entirely. 🔥 Think of it like a security checkpoint at a concert where the guards just decide to not check some people's tickets. An attacker can stroll right past the authentication process, possibly throwing the whole event into chaos! This could lead to unauthorized access, putting confidentiality and system integrity at grave risk. If attackers bypass authentication, they could manipulate or steal sensitive information, and even disrupt system availability — a full-blown digital concert disaster!

Put simply

Think of it like a security checkpoint at a concert where the guards just decide to not check some people's tickets. An attacker can stroll right past the authentication process, possibly throwing the whole event into chaos! The vulnerability in the SAML connector allows an attacker to bypass the SAML signature validation process, which is crucial for ensuring that only valid users gain access. This means that without proper validation, unauthorized users can sneak in without a hitch.

What to do

This could lead to unauthorized access, putting confidentiality and system integrity at grave risk. If attackers bypass authentication, they could manipulate or steal sensitive information, and even disrupt system availability — a full-blown digital concert disaster! To protect your systems, upgrade the dex library to version 2.27.0 or later to patch this vulnerability. It's also a good idea to review your authentication processes to ensure they're robust enough to handle any potential exploits. You've got this! With these steps, you're on your way to keeping your systems secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01718 · 77.3th percentile
Weakness
CWE-228 · Improper Handling of Syntactically Invalid Structure
Published
2021-05-28T10:20Z
EPSS history
Timeline
  • 28 MAY 10:20Z
    A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation
    cvelistv5