Vulnerability · Published Mar 22, 2021 · Assigned by snyk
CVE-2020-28501Regular Expression Denial of Service (ReDoS)
Medium 5.3
In plain English
A medium-severity security flaw in es6-crawler-detect. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)1.5%top 25.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects the package es6-crawler-detect before 3.1.3. No limitation of user agent string length supplied to regex operators.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | es6-crawler-detect | 3.1.3 | GHSA-jxg6-fhwc-9v9c |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | es6-crawler-detect | unspecified – before 3.1.3 |
References
- https://snyk.io/vuln/SNYK-JS-ES6CRAWLERDETECT-1051529 x_refsource_MISC
- https://github.com/JefferyHus/es6-crawler-detect/pull/27 x_refsource_MISC