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CVE-2020-27847

Published: May 28, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-228
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
1.7%
Top 25.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-228

Affected Products

dexlinuxfoundation
Mixed
AI / ML / ml-framework
dexidp/dexn/a
github.com/dexidp/dexGoOSS Libraries
linuxfoundationoss-projectUSAI / MLaka yocto, pytorch, everest
gopackage-ecosystemOSS Libraries

Exploitability

Official Patch Available

References

https://bugzilla.redhat.com/show_bug.cgi?id=1907732
bugzilla.redhat.com
https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5
github.com
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/
mattermost.com
and 2 more references View all →

Timeline

Published
May 28, 2021
Last Updated
Nov 21, 2024

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