CVE-2020-28481

Insecure Defaults

View on CVE.org

Published Jan 19, 2021 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Description

The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.

Affected Products

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

socket.io

affected

Version	Status	Constraints
`unspecified`	affected	< 2.4.0

Configuration 1 [-]

cpe:2.3:a:socket:socket.io:*:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-0502	The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.
Github GHSA	GHSA-fxwf-4rqh-v8g3	CORS misconfiguration in socket.io

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

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.

Exploit prediction score: < 1% (0.745% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/socketio/socket.io/issues/3671
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1056358
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056357
https://snyk.io/vuln/SNYK-JS-SOCKETIO-1024859

History

No history.

Subscriptions

Socket Socket.io

Weaknesses

CWE-346

Sources

CVE record Updated: Sep 16, 2024, 8:11 PM

Status: PUBLISHED
Assigner: snyk
Published: Jan 19, 2021, 2:45 PM
Updated: Sep 16, 2024, 8:11 PM
Reserved: Nov 12, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:10 AM

Status: Modified
Published: Jan 19, 2021, 3:15 PM
Modified: Jun 17, 2026, 3:10 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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