VulnerabilityModified
CVE-2021-43309
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
HIGH 7.5EPSS 0.97%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.97% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1333
- Affected
- litejs/uri-template-lite
- Source
- reefs@jfrog.com
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/Exploit, Third 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/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.