7.5

CVE-2020-1920: facebook react-native

CVSS: 7.5v3.1HighModified
AliasesGHSA-7f53-fmmv-mfjv
Published 01-06-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-1920 is a high (CVSS 7.5) vulnerability in facebook react-native. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-06-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.36% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Facebook1 product
  • react-native≥ 0.59.0, < unspecified | ≥ 0.59.0, < 0.64.1
Npm1 product
  • react-native≥ 0.59.0, < 0.62.3 | ≥ 0.63.0, < 0.64.1

2 vendors · 2 products

References

6 links