Vulnerability Description
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the uri-template-lite npm package, when an attacker is able to supply arbitrary input to the "URI.expand" method
CVSS Score
5.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Litejs | Uri-Template-Lite | All versions |
Related Weaknesses (CWE)
References
- https://github.com/litejs/uri-template-lite/compare/v22.1.0...v22.9.0
- https://research.jfrog.com/vulnerabilities/uri-template-lite-redos-xray-211351/ExploitThird Party Advisory
- https://github.com/litejs/uri-template-lite/compare/v22.1.0...v22.9.0
- https://research.jfrog.com/vulnerabilities/uri-template-lite-redos-xray-211351/ExploitThird Party Advisory
FAQ
What is CVE-2021-43309?
CVE-2021-43309 is a vulnerability with a CVSS score of 5.9 (MEDIUM). An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the uri-template-lite npm package, when an attacker is able to supply arbitrary input to the "URI.expand" method
How severe is CVE-2021-43309?
CVE-2021-43309 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43309?
Check the references section above for vendor advisories and patch information. Affected products include: Litejs Uri-Template-Lite.