Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2020-1920

7.5 · HIGH

A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash.

Published Jun 1, 2021CWE-1333EPSS 1.36%

Overview

CVE-2020-1920 is a high-severity vulnerability. It was published on June 1, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7GitHubgithub.com/facebook/react-native/releases/tag/v0.64.1GitHubgithub.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7GitHubgithub.com/facebook/react-native/releases/tag/v0.64.1

How CyberStrike helps

Frequently asked questions

What is CVE-2020-1920?

CVE-2020-1920 is a high-severity vulnerability. It was published on June 1, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-1920?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-1920?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-1920?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-1920 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2020

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999