CVE-2021-43309 describes an exponential Regular Expression Denial of Service (ReDoS) vulnerability in the litejs uri-template-lite npm package. An attacker can trigger this by providing arbitrary input to the "URI.expand" method, leading to a denial of service. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, impacting availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:litejs:uri-template-lite:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.