CVE-2021-27736 - Vulnerability Details - OpenCVE

FusionAuth fusionauth-samlv2 before 0.5.4 allows XXE attacks via a forged AuthnRequest or LogoutRequest because parseFromBytes uses javax.xml.parsers.DocumentBuilderFactory unsafely.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00276.

Key SSVC decision points have not yet been added.

Vendors	Products
Fusionauth	Saml V2

Configuration 1 [-]

cpe:2.3:a:fusionauth:saml_v2:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-14478	FusionAuth fusionauth-samlv2 before 0.5.4 allows XXE attacks via a forged AuthnRequest or LogoutRequest because parseFromBytes uses javax.xml.parsers.DocumentBuilderFactory unsafely.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/FusionAuth/fusionauth-samlv2/commit/c66fb689d50010662f705d5b585c6388ce555dbd
https://github.com/FusionAuth/fusionauth-samlv2/compare/0.5.3...0.5.4
https://www.compass-security.com/fileadmin/Research/Advisories/2021-03_CSNC-2021-004_FusionAuth_SAML_Library_XML_External_Entity.txt

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-22T13:14:54

Updated: 2024-08-03T21:26:10.830Z

Reserved: 2021-02-25T00:00:00

Link: CVE-2021-27736

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-22T14:15:09.123

Modified: 2024-11-21T05:58:29.113

Link: CVE-2021-27736

Redhat

No data.

OpenCVE Enrichment

No data.

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