CVE-2021-29418

MEDIO 5.3CVE-2021-29418 · Published 30/03/2021 · updated 17/06/2026

En resumen

CVE-2021-29418 es una vulnerabilidad MEDIO (CVSS 5.3) que afecta a netmask (netmask project).
Probabilidad de explotación en los próximos 30 días (EPSS): 1.5%, mayor que el 74.4% de las vulnerabilidades.
Solución: actualizar a 2.0.1 o posterior.

Package	Affected versions	Patched versions
netmask netmask_project	`< 2.0.1`	`2.0.1`

Description

The netmask package before 2.0.1 for Node.js mishandles certain unexpected characters in an IP address string, such as an octal digit of 9. This (in some situations) allows attackers to bypass access control that is based on IP addresses. NOTE: this issue exists because of an incomplete fix for CVE-2021-28918.

References

rs/node-netmask commit 3f19a05 · Patch
security.netapp.com/advisory/ntap-20210604-0001 · Third Party Advisory
vuln.ryotak.me/advisories/6 · Third Party Advisory

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