CVE-2020-27846CWE-115

A signature verification vulnerability exists in crewjam/saml

published December 21, 2020

CVSS
—
EPSS
5%
Percentile
92.1
In the wild
Unconfirmed
What it is

🚨 An overlooked flaw in crewjam/saml lets attackers slip past SAML Authentication like a magician sneaking a rabbit out of a hat! 🎩✨ This vulnerability is akin to a restaurant where anyone can waltz in and claim a reservation without checking their ID — no one knows who's truly supposed to be there, leading to potential chaos! An attacker could gain unauthorized access to sensitive information, compromising both confidentiality and integrity. This could also disrupt system availability, making it a recipe for disaster!

Put simply

This vulnerability is akin to a restaurant where anyone can waltz in and claim a reservation without checking their ID — no one knows who's truly supposed to be there, leading to potential chaos! The vulnerability allows attackers to bypass signature verification in SAML, enabling unauthorized users to authenticate without proper credentials.

What to do

An attacker could gain unauthorized access to sensitive information, compromising both confidentiality and integrity. This could also disrupt system availability, making it a recipe for disaster! Developers should audit their use of the crewjam/saml package, updating to the latest version where this flaw is addressed. Ensure that SAML configurations are correctly set to enforce signature validation. You've got this! By taking these steps, you're on your way to securing your SAML authentication like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04931 · 92.1th percentile
Weakness
CWE-115 · Misinterpretation of Input
Published
2020-12-21T15:16Z
EPSS history
Timeline
  • 21 DEC 15:16Z
    A signature verification vulnerability exists in crewjam/saml
    cvelistv5