HIGH · 7.5

CVE-2021-33502

The normalize-url package before 4.5.1, 5.x before 5.3.1, and 6.x before 6.0.1 for Node.js has a ReDoS (regular expression denial of service) issue because it has exponential performance for data: URL...

Vulnerability Description

The normalize-url package before 4.5.1, 5.x before 5.3.1, and 6.x before 6.0.1 for Node.js has a ReDoS (regular expression denial of service) issue because it has exponential performance for data: URLs.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Normalize-Url ProjectNormalize-Url>= 4.3.0, < 4.5.1

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-33502?

CVE-2021-33502 is a vulnerability with a CVSS score of 7.5 (HIGH). The normalize-url package before 4.5.1, 5.x before 5.3.1, and 6.x before 6.0.1 for Node.js has a ReDoS (regular expression denial of service) issue because it has exponential performance for data: URL...

How severe is CVE-2021-33502?

CVE-2021-33502 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33502?

Check the references section above for vendor advisories and patch information. Affected products include: Normalize-Url Project Normalize-Url.