Is CVE-2020-1920 in the CISA KEV catalog?

No. CVE-2020-1920 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-1920?

CVE-2020-1920 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-1920?

CVE-2020-1920 has an EPSS score of 1.36% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-1920?

Upgrade react-native to 0.64.1 or later.

CVE & CISA-KEV Catalog

CVE-2020-1920

HIGH

7.5

CVSS v3

NVD

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.

CWE-1333 CWE-697

How to fix

Remediation Available

react-nativeNVD

Affected:>= 0.59.0, < 0.64.1Fixed in:0.64.1CVE-2020-1920derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.36%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.