CVE-2021-27736 - Vulnerability Details - OpenCVE

Description

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

Published: 2021-04-22

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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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.

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.

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.

Subscriptions

Fusionauth Saml V2

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-22T13:14:54.000Z

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

Reserved: 2021-02-25T00:00:00.000Z

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.

Weaknesses

CWE-611

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