The get-ip-range package before 4.0.0 for Node.js is vulnerable to denial of service…
Priority LOW 37CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
The get-ip-range package before 4.0.0 for Node.js is vulnerable to denial of service (DoS) if the range is untrusted input. An attacker could send a large range (such as 128.0.0.0/1) that causes resource exhaustion.
Why it matters now
EPSS 0.02056 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed get-ip-range (npm): 4.0.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | get-ip-range (npm) | before 4.0.0 | 4.0.0 | Patch available | GHSA-6q4w-3wp4-q5wf |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- get-ip-range (npm) Vendor— Affected before 4.0.0 Fixed in 4.0.0 Patch available GHSA-6q4w-3wp4-q5wf
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:get-ip-range_project:get-ip-range:*:*:*:*:*:node.js:*:* | before 4.0.0 | Vulnerable | Get-ip-range Project |
- cpe:2.3:a:get-ip-range_project:get-ip-range:*:*:*:*:*:node.js:*:* Versions before 4.0.0 Vulnerable ·Get-ip-range Project
Remediation
- Fix · GHSA-6q4w-3wp4-q5wf get-ip-range (npm) Fixed in 4.0.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27191
- 2026-10-03 Alias added: GHSA-6q4w-3wp4-q5wf
References
Advisory 3
Sources
- CVE-2021-27191 · CVE Program
- CVE-2021-27191 · NVD
- FIRST EPSS
- GHSA-6q4w-3wp4-q5wf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences