← Back to CVEs

CVE-2020-27847

CRITICAL

9.8

Description

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/28/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

linuxfoundation:dex

Weaknesses (CWE)

CWE-228

References

https://bugzilla.redhat.com/show_bug.cgi?id=1907732(secalert@redhat.com)

https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5(secalert@redhat.com)

https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1907732(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5(af854a3a-2127-422b-91ae-364da2661108)

https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.