CVE-2020-7767

Regular Expression Denial of Service (ReDoS)

View on CVE.org

Published Nov 11, 2020 CVSS 3.1 · 5.3 Medium EPSS 1.6% KEV · Not listed

Description

All versions of package express-validators are vulnerable to Regular Expression Denial of Service (ReDoS) when validating specifically-crafted invalid urls.

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

express-validators

affected

Version	Status	Constraints
`0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:a:express-validators_project:express-validators:*:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-1041	All versions of package express-validators are vulnerable to Regular Expression Denial of Service (ReDoS) when validating specifically-crafted invalid urls.
Github GHSA	GHSA-cf2x-rqc8-grfq	Regular expression deinal of service in express-validators

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.6% (1.640% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://snyk.io/vuln/SNYK-JS-EXPRESSVALIDATORS-1017404

History

No history.

Subscriptions

Express-validators Project Express-validators

Weaknesses

CWE-400

Sources

CVE record Updated: Sep 16, 2024, 7:25 PM

Status: PUBLISHED
Assigner: snyk
Published: Nov 11, 2020, 10:20 AM
Updated: Sep 16, 2024, 7:25 PM
Reserved: Jan 21, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:25 AM

Status: Modified
Published: Nov 11, 2020, 11:15 AM
Modified: Jun 17, 2026, 3:25 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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