CVE-2020-1920

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Published Jun 1, 2021 CVSS 3.1 · 7.5 High EPSS 1.4% KEV · Not listed

Description

A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1.

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

Facebook

react-native

affected

Version	Status	Constraints
`0.64.1`	unaffected	< unspecified
`0.59.0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:a:facebook:react-native:*:*:*:*:*:*:*:*

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-2021-1447	A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1.
Github GHSA	GHSA-7f53-fmmv-mfjv	Regular expression denial of service in react-native

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

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: 1.4% (1.363% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7
https://github.com/facebook/react-native/releases/tag/v0.64.1

History

No history.

Subscriptions

Facebook React-native

Weaknesses

Sources

CVE record Updated: Aug 4, 2024, 6:54 AM

Status: PUBLISHED
Assigner: facebook
Published: Jun 1, 2021, 11:45 AM
Updated: Aug 4, 2024, 6:54 AM
Reserved: Dec 2, 2019, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:02 AM

Status: Modified
Published: Jun 1, 2021, 2:15 PM
Modified: Jun 17, 2026, 3:02 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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