CVE-2021-27191 json
Denial of Service in get-ip-range
published 2021-02-11 5 y ago modified 2026-06-17 4 mo ago also GHSA-6q4w-3wp4-q5wf , EUVD-2021-0776
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
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.
Patch / fix
- npm get-ip-range 4.0.0
- get-ip-range_project get-ip-range 4.0.0
Exploit prediction
2.06% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- advisory.checkmarx.net https://advisory.checkmarx.net/advisory/CX-2021-4304 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | get-ip-range | <4.0.0 |
4.0.0 |
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
github.com
/JoeScho/get-ip-range/commit/98ca22b815c77273cbab259811ab0976118e13b6
web, patch, third-party-advisory
-
advisory.checkmarx.net
/advisory/CX-2021-4304
web, exploit, third-party-advisory
-
npmjs.com
/package/get-ip-range
web, product, third-party-advisory
-
security.netapp.com
/advisory/ntap-20210319-0002/
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-27191
advisory
-
security.netapp.com
/advisory/ntap-20210319-0002
web
Sources
- CVE List CVE-2021-27191
- GitHub Advisory GHSA-6q4w-3wp4-q5wf
- NVD CVE-2021-27191
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