Is CVE-2021-3664 in the CISA KEV catalog?

No. CVE-2021-3664 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3664?

CVE-2021-3664 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-3664?

CVE-2021-3664 has an EPSS score of 1.83% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3664?

Upgrade node-url-parse on debian 11 to 1.5.3-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-3664

MEDIUMEPSS 76th pctl

5.3

CVSS v3

NVD

Description

url-parse is vulnerable to URL Redirection to Untrusted Site

CWE-601Open Redirect

How to fix

Remediation Available

node-url-parseDebian

Fixed in:1.5.3-1CVE-2021-3664

node-url-parseUbuntu

Fixed in:1.0.5-2ubuntu0.1~esm2USN-5973-1

Fixed in:1.2.0-1ubuntu0.1USN-5973-1

Fixed in:1.4.7-3ubuntu0.1USN-5973-1

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

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.83%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Patch1

github.com

Exploit1

huntr.dev

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	Fix

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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.