CVE Vulnerabilities

CVE-2020-27847

Improper Handling of Syntactically Invalid Structure

Published: May 28, 2021 | Modified: Nov 07, 2023
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex versions before 2.27.0.

Weakness

The product does not handle or incorrectly handles input that is not syntactically well-formed with respect to the associated specification.

Affected Software

Name Vendor Start Version End Version
Dex Linuxfoundation * 2.27.0 (excluding)

References